servo: Merge #7416 - Make the traits for the IDL interfaces take &self (from nox:methods-ref); r=frewsxcv

Source-Repo: https://github.com/servo/servo
Source-Revision: 71b277d5675556e61a82ae9dbf3105449c3a8275

servo/components/script/dom/attr.rs

@@ -162,19 +162,19 @@ impl Attr {
     }
 }
 
-impl<'a> AttrMethods for &'a Attr {
+impl AttrMethods for Attr {
     // https://dom.spec.whatwg.org/#dom-attr-localname
-    fn LocalName(self) -> DOMString {
+    fn LocalName(&self) -> DOMString {
         (**self.local_name()).to_owned()
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-value
-    fn Value(self) -> DOMString {
+    fn Value(&self) -> DOMString {
         (**self.value()).to_owned()
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-value
-    fn SetValue(self, value: DOMString) {
+    fn SetValue(&self, value: DOMString) {
         match self.owner() {
             None => *self.value.borrow_mut() = AttrValue::String(value),
             Some(owner) => {
@@ -185,32 +185,32 @@ impl<'a> AttrMethods for &'a Attr {
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-textcontent
-    fn TextContent(self) -> DOMString {
+    fn TextContent(&self) -> DOMString {
         self.Value()
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-textcontent
-    fn SetTextContent(self, value: DOMString) {
+    fn SetTextContent(&self, value: DOMString) {
         self.SetValue(value)
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-nodevalue
-    fn NodeValue(self) -> DOMString {
+    fn NodeValue(&self) -> DOMString {
         self.Value()
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-nodevalue
-    fn SetNodeValue(self, value: DOMString) {
+    fn SetNodeValue(&self, value: DOMString) {
         self.SetValue(value)
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-name
-    fn Name(self) -> DOMString {
+    fn Name(&self) -> DOMString {
         (*self.name).to_owned()
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-namespaceuri
-    fn GetNamespaceURI(self) -> Option<DOMString> {
+    fn GetNamespaceURI(&self) -> Option<DOMString> {
         let Namespace(ref atom) = self.namespace;
         match &**atom {
             "" => None,
@@ -219,17 +219,17 @@ impl<'a> AttrMethods for &'a Attr {
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-prefix
-    fn GetPrefix(self) -> Option<DOMString> {
+    fn GetPrefix(&self) -> Option<DOMString> {
         self.prefix().as_ref().map(|p| (**p).to_owned())
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-ownerelement
-    fn GetOwnerElement(self) -> Option<Root<Element>> {
+    fn GetOwnerElement(&self) -> Option<Root<Element>> {
         self.owner()
     }
 
     // https://dom.spec.whatwg.org/#dom-attr-specified
-    fn Specified(self) -> bool {
+    fn Specified(&self) -> bool {
         true // Always returns true
     }
 }

servo/components/script/dom/bindings/codegen/CodegenRust.py

@@ -4571,7 +4571,7 @@ class CGInterfaceTrait(CGThing):
             return "".join(", %s: %s" % argument for argument in arguments)
 
         methods = [
-            CGGeneric("fn %s(self%s) -> %s;\n" % (name, fmt(arguments), rettype))
+            CGGeneric("fn %s(&self%s) -> %s;\n" % (name, fmt(arguments), rettype))
             for name, arguments, rettype in members()
         ]
         if methods:

servo/components/script/dom/blob.rs

@@ -86,9 +86,9 @@ impl Blob {
     }
 }
 
-impl<'a> BlobMethods for &'a Blob {
+impl BlobMethods for Blob {
     // https://dev.w3.org/2006/webapi/FileAPI/#dfn-size
-    fn Size(self) -> u64 {
+    fn Size(&self) -> u64 {
         match self.bytes {
             None => 0,
             Some(ref bytes) => bytes.len() as u64
@@ -96,12 +96,12 @@ impl<'a> BlobMethods for &'a Blob {
     }
 
     // https://dev.w3.org/2006/webapi/FileAPI/#dfn-type
-    fn Type(self) -> DOMString {
+    fn Type(&self) -> DOMString {
         self.typeString.clone()
     }
 
     // https://dev.w3.org/2006/webapi/FileAPI/#slice-method-algo
-    fn Slice(self, start: Option<i64>, end: Option<i64>,
+    fn Slice(&self, start: Option<i64>, end: Option<i64>,
              contentType: Option<DOMString>) -> Root<Blob> {
         let size: i64 = self.Size().to_i64().unwrap();
         let relativeStart: i64 = match start {
@@ -149,12 +149,12 @@ impl<'a> BlobMethods for &'a Blob {
     }
 
     // https://dev.w3.org/2006/webapi/FileAPI/#dfn-isClosed
-    fn IsClosed(self) -> bool {
+    fn IsClosed(&self) -> bool {
         self.isClosed_.get()
     }
 
     // https://dev.w3.org/2006/webapi/FileAPI/#dfn-close
-    fn Close(self) {
+    fn Close(&self) {
         // Step 1
         if self.isClosed_.get() {
             return;

servo/components/script/dom/canvasgradient.rs

@@ -43,9 +43,9 @@ impl CanvasGradient {
     }
 }
 
-impl<'a> CanvasGradientMethods for &'a CanvasGradient {
+impl CanvasGradientMethods for CanvasGradient {
     // https://html.spec.whatwg.org/multipage/#dom-canvasgradient-addcolorstop
-    fn AddColorStop(self, offset: Finite<f64>, color: String) -> ErrorResult {
+    fn AddColorStop(&self, offset: Finite<f64>, color: String) -> ErrorResult {
         if *offset < 0f64 || *offset > 1f64 {
             return Err(IndexSize);
         }

servo/components/script/dom/canvasrenderingcontext2d.rs

@@ -446,20 +446,20 @@ impl LayoutCanvasRenderingContext2DHelpers for LayoutJS<CanvasRenderingContext2D
 //  Restricted values are guarded in glue code. Therefore we need not add a guard.
 //
 // FIXME: this behavior should might be generated by some annotattions to idl.
-impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
+impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-canvas
-    fn Canvas(self) -> Root<HTMLCanvasElement> {
+    fn Canvas(&self) -> Root<HTMLCanvasElement> {
         self.canvas.root()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-save
-    fn Save(self) {
+    fn Save(&self) {
         self.saved_states.borrow_mut().push(self.state.borrow().clone());
         self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SaveContext)).unwrap();
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-restore
-    fn Restore(self) {
+    fn Restore(&self) {
         let mut saved_states = self.saved_states.borrow_mut();
         if let Some(state) = saved_states.pop() {
             self.state.borrow_mut().clone_from(&state);
@@ -468,7 +468,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-scale
-    fn Scale(self, x: f64, y: f64) {
+    fn Scale(&self, x: f64, y: f64) {
         if !(x.is_finite() && y.is_finite()) {
             return;
         }
@@ -479,7 +479,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-rotate
-    fn Rotate(self, angle: f64) {
+    fn Rotate(&self, angle: f64) {
         if angle == 0.0 || !angle.is_finite() {
             return;
         }
@@ -493,7 +493,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-translate
-    fn Translate(self, x: f64, y: f64) {
+    fn Translate(&self, x: f64, y: f64) {
         if !(x.is_finite() && y.is_finite()) {
             return;
         }
@@ -504,7 +504,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-transform
-    fn Transform(self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64) {
+    fn Transform(&self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64) {
         if !(a.is_finite() && b.is_finite() && c.is_finite() &&
              d.is_finite() && e.is_finite() && f.is_finite()) {
             return;
@@ -521,7 +521,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-settransform
-    fn SetTransform(self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64) {
+    fn SetTransform(&self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64) {
         if !(a.is_finite() && b.is_finite() && c.is_finite() &&
              d.is_finite() && e.is_finite() && f.is_finite()) {
             return;
@@ -537,19 +537,19 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-resettransform
-    fn ResetTransform(self) {
+    fn ResetTransform(&self) {
         self.state.borrow_mut().transform = Matrix2D::identity();
         self.update_transform()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-globalalpha
-    fn GlobalAlpha(self) -> f64 {
+    fn GlobalAlpha(&self) -> f64 {
         let state = self.state.borrow();
         state.global_alpha
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-globalalpha
-    fn SetGlobalAlpha(self, alpha: f64) {
+    fn SetGlobalAlpha(&self, alpha: f64) {
         if !alpha.is_finite() || alpha > 1.0 || alpha < 0.0 {
             return;
         }
@@ -561,7 +561,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-globalcompositeoperation
-    fn GlobalCompositeOperation(self) -> DOMString {
+    fn GlobalCompositeOperation(&self) -> DOMString {
         let state = self.state.borrow();
         match state.global_composition {
             CompositionOrBlending::Composition(op) => op.to_str().to_owned(),
@@ -570,7 +570,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-globalcompositeoperation
-    fn SetGlobalCompositeOperation(self, op_str: DOMString) {
+    fn SetGlobalCompositeOperation(&self, op_str: DOMString) {
         if let Some(op) = CompositionOrBlending::from_str(&op_str) {
             self.state.borrow_mut().global_composition = op;
             self.ipc_renderer
@@ -580,7 +580,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-fillrect
-    fn FillRect(self, x: f64, y: f64, width: f64, height: f64) {
+    fn FillRect(&self, x: f64, y: f64, width: f64, height: f64) {
         if let Some(rect) = self.create_drawable_rect(x, y, width, height) {
             self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::FillRect(rect))).unwrap();
             self.mark_as_dirty();
@@ -588,7 +588,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-clearrect
-    fn ClearRect(self, x: f64, y: f64, width: f64, height: f64) {
+    fn ClearRect(&self, x: f64, y: f64, width: f64, height: f64) {
         if let Some(rect) = self.create_drawable_rect(x, y, width, height) {
             self.ipc_renderer
                 .send(CanvasMsg::Canvas2d(Canvas2dMsg::ClearRect(rect)))
@@ -598,7 +598,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-strokerect
-    fn StrokeRect(self, x: f64, y: f64, width: f64, height: f64) {
+    fn StrokeRect(&self, x: f64, y: f64, width: f64, height: f64) {
         if let Some(rect) = self.create_drawable_rect(x, y, width, height) {
             self.ipc_renderer
                 .send(CanvasMsg::Canvas2d(Canvas2dMsg::StrokeRect(rect)))
@@ -608,36 +608,36 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-beginpath
-    fn BeginPath(self) {
+    fn BeginPath(&self) {
         self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::BeginPath)).unwrap();
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-closepath
-    fn ClosePath(self) {
+    fn ClosePath(&self) {
         self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::ClosePath)).unwrap();
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-fill
-    fn Fill(self, _: CanvasWindingRule) {
+    fn Fill(&self, _: CanvasWindingRule) {
         // TODO: Process winding rule
         self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::Fill)).unwrap();
         self.mark_as_dirty();
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-stroke
-    fn Stroke(self) {
+    fn Stroke(&self) {
         self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::Stroke)).unwrap();
         self.mark_as_dirty();
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-clip
-    fn Clip(self, _: CanvasWindingRule) {
+    fn Clip(&self, _: CanvasWindingRule) {
         // TODO: Process winding rule
         self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::Clip)).unwrap();
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-drawimage
-    fn DrawImage(self, image: HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D,
+    fn DrawImage(&self, image: HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D,
                  dx: f64, dy: f64) -> Fallible<()> {
         if !(dx.is_finite() && dy.is_finite()) {
             return Ok(());
@@ -647,7 +647,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-drawimage
-    fn DrawImage_(self, image: HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D,
+    fn DrawImage_(&self, image: HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D,
                   dx: f64, dy: f64, dw: f64, dh: f64) -> Fallible<()> {
         if !(dx.is_finite() && dy.is_finite() &&
              dw.is_finite() && dh.is_finite()) {
@@ -658,7 +658,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-drawimage
-    fn DrawImage__(self, image: HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D,
+    fn DrawImage__(&self, image: HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D,
                    sx: f64, sy: f64, sw: f64, sh: f64,
                    dx: f64, dy: f64, dw: f64, dh: f64) -> Fallible<()> {
         if !(sx.is_finite() && sy.is_finite() && sw.is_finite() && sh.is_finite() &&
@@ -670,7 +670,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-moveto
-    fn MoveTo(self, x: f64, y: f64) {
+    fn MoveTo(&self, x: f64, y: f64) {
         if !(x.is_finite() && y.is_finite()) {
             return;
         }
@@ -682,7 +682,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-lineto
-    fn LineTo(self, x: f64, y: f64) {
+    fn LineTo(&self, x: f64, y: f64) {
         if !(x.is_finite() && y.is_finite()) {
             return;
         }
@@ -694,7 +694,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-rect
-    fn Rect(self, x: f64, y: f64, width: f64, height: f64) {
+    fn Rect(&self, x: f64, y: f64, width: f64, height: f64) {
         if [x, y, width, height].iter().all(|val| val.is_finite()) {
             let rect = Rect::new(Point2D::new(x as f32, y as f32),
                                  Size2D::new(width as f32, height as f32));
@@ -704,7 +704,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-quadraticcurveto
-    fn QuadraticCurveTo(self, cpx: f64, cpy: f64, x: f64, y: f64) {
+    fn QuadraticCurveTo(&self, cpx: f64, cpy: f64, x: f64, y: f64) {
         if !(cpx.is_finite() && cpy.is_finite() &&
              x.is_finite() && y.is_finite()) {
             return;
@@ -718,7 +718,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-beziercurveto
-    fn BezierCurveTo(self, cp1x: f64, cp1y: f64, cp2x: f64, cp2y: f64, x: f64, y: f64) {
+    fn BezierCurveTo(&self, cp1x: f64, cp1y: f64, cp2x: f64, cp2y: f64, x: f64, y: f64) {
         if !(cp1x.is_finite() && cp1y.is_finite() && cp2x.is_finite() && cp2y.is_finite() &&
              x.is_finite() && y.is_finite()) {
             return;
@@ -733,7 +733,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-arc
-    fn Arc(self, x: f64, y: f64, r: f64,
+    fn Arc(&self, x: f64, y: f64, r: f64,
            start: f64, end: f64, ccw: bool) -> Fallible<()> {
         if !([x, y, r, start, end].iter().all(|x| x.is_finite())) {
             return Ok(());
@@ -753,7 +753,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-arcto
-    fn ArcTo(self, cp1x: f64, cp1y: f64, cp2x: f64, cp2y: f64, r: f64) -> Fallible<()> {
+    fn ArcTo(&self, cp1x: f64, cp1y: f64, cp2x: f64, cp2y: f64, r: f64) -> Fallible<()> {
         if !([cp1x, cp1y, cp2x, cp2y, r].iter().all(|x| x.is_finite())) {
             return Ok(());
         }
@@ -771,18 +771,18 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/#dom-context-2d-imagesmoothingenabled
-    fn ImageSmoothingEnabled(self) -> bool {
+    fn ImageSmoothingEnabled(&self) -> bool {
         let state = self.state.borrow();
         state.image_smoothing_enabled
     }
 
     // https://html.spec.whatwg.org/#dom-context-2d-imagesmoothingenabled
-    fn SetImageSmoothingEnabled(self, value: bool) -> () {
+    fn SetImageSmoothingEnabled(&self, value: bool) -> () {
         self.state.borrow_mut().image_smoothing_enabled = value;
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-strokestyle
-    fn StrokeStyle(self) -> StringOrCanvasGradientOrCanvasPattern {
+    fn StrokeStyle(&self) -> StringOrCanvasGradientOrCanvasPattern {
         match self.state.borrow().stroke_style {
             CanvasFillOrStrokeStyle::Color(ref rgba) => {
                 let mut result = String::new();
@@ -796,7 +796,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-strokestyle
-    fn SetStrokeStyle(self, value: StringOrCanvasGradientOrCanvasPattern) {
+    fn SetStrokeStyle(&self, value: StringOrCanvasGradientOrCanvasPattern) {
         match value {
             StringOrCanvasGradientOrCanvasPattern::eString(string) => {
                 match parse_color(&string) {
@@ -822,7 +822,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-strokestyle
-    fn FillStyle(self) -> StringOrCanvasGradientOrCanvasPattern {
+    fn FillStyle(&self) -> StringOrCanvasGradientOrCanvasPattern {
         match self.state.borrow().fill_style {
             CanvasFillOrStrokeStyle::Color(ref rgba) => {
                 let mut result = String::new();
@@ -836,7 +836,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-strokestyle
-    fn SetFillStyle(self, value: StringOrCanvasGradientOrCanvasPattern) {
+    fn SetFillStyle(&self, value: StringOrCanvasGradientOrCanvasPattern) {
         match value {
             StringOrCanvasGradientOrCanvasPattern::eString(string) => {
                 if let Ok(rgba) = parse_color(&string) {
@@ -862,7 +862,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-createimagedata
-    fn CreateImageData(self, sw: Finite<f64>, sh: Finite<f64>) -> Fallible<Root<ImageData>> {
+    fn CreateImageData(&self, sw: Finite<f64>, sh: Finite<f64>) -> Fallible<Root<ImageData>> {
         if *sw == 0.0 || *sh == 0.0 {
             return Err(IndexSize)
         }
@@ -873,12 +873,12 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-createimagedata
-    fn CreateImageData_(self, imagedata: &ImageData) -> Fallible<Root<ImageData>> {
+    fn CreateImageData_(&self, imagedata: &ImageData) -> Fallible<Root<ImageData>> {
         Ok(ImageData::new(self.global.root().r(), imagedata.Width(), imagedata.Height(), None))
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-getimagedata
-    fn GetImageData(self,
+    fn GetImageData(&self,
                     sx: Finite<f64>,
                     sy: Finite<f64>,
                     sw: Finite<f64>,
@@ -928,13 +928,13 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-putimagedata
-    fn PutImageData(self, imagedata: &ImageData, dx: Finite<f64>, dy: Finite<f64>) {
+    fn PutImageData(&self, imagedata: &ImageData, dx: Finite<f64>, dy: Finite<f64>) {
         self.PutImageData_(imagedata, dx, dy, Finite::wrap(0f64), Finite::wrap(0f64),
                            Finite::wrap(imagedata.Width() as f64), Finite::wrap(imagedata.Height() as f64))
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-putimagedata
-    fn PutImageData_(self, imagedata: &ImageData, dx: Finite<f64>, dy: Finite<f64>,
+    fn PutImageData_(&self, imagedata: &ImageData, dx: Finite<f64>, dy: Finite<f64>,
                      dirtyX: Finite<f64>, dirtyY: Finite<f64>, dirtyWidth: Finite<f64>, dirtyHeight: Finite<f64>) {
         let data = imagedata.get_data_array(&self.global.root().r());
         let offset = Point2D::new(*dx, *dy);
@@ -949,14 +949,14 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-createlineargradient
-    fn CreateLinearGradient(self, x0: Finite<f64>, y0: Finite<f64>,
+    fn CreateLinearGradient(&self, x0: Finite<f64>, y0: Finite<f64>,
                                   x1: Finite<f64>, y1: Finite<f64>) -> Root<CanvasGradient> {
         CanvasGradient::new(self.global.root().r(),
                             CanvasGradientStyle::Linear(LinearGradientStyle::new(*x0, *y0, *x1, *y1, Vec::new())))
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-createradialgradient
-    fn CreateRadialGradient(self, x0: Finite<f64>, y0: Finite<f64>, r0: Finite<f64>,
+    fn CreateRadialGradient(&self, x0: Finite<f64>, y0: Finite<f64>, r0: Finite<f64>,
                             x1: Finite<f64>, y1: Finite<f64>, r1: Finite<f64>)
                             -> Fallible<Root<CanvasGradient>> {
         if *r0 < 0. || *r1 < 0. {
@@ -969,7 +969,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-createpattern
-    fn CreatePattern(self, image: HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D,
+    fn CreatePattern(&self, image: HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D,
                     repetition: DOMString) -> Fallible<Root<CanvasPattern>> {
         let (image_data, image_size) = match image {
             HTMLImageElementOrHTMLCanvasElementOrCanvasRenderingContext2D::eHTMLImageElement(image) => {
@@ -1019,13 +1019,13 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-linewidth
-    fn LineWidth(self) -> f64 {
+    fn LineWidth(&self) -> f64 {
         let state = self.state.borrow();
         state.line_width
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-linewidth
-    fn SetLineWidth(self, width: f64) {
+    fn SetLineWidth(&self, width: f64) {
         if !width.is_finite() || width <= 0.0 {
             return;
         }
@@ -1037,7 +1037,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-linecap
-    fn LineCap(self) -> DOMString {
+    fn LineCap(&self) -> DOMString {
         let state = self.state.borrow();
         match state.line_cap {
             LineCapStyle::Butt => "butt".to_owned(),
@@ -1047,7 +1047,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-linecap
-    fn SetLineCap(self, cap_str: DOMString) {
+    fn SetLineCap(&self, cap_str: DOMString) {
         if let Some(cap) = LineCapStyle::from_str(&cap_str) {
             self.state.borrow_mut().line_cap = cap;
             self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetLineCap(cap))).unwrap()
@@ -1055,7 +1055,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-linejoin
-    fn LineJoin(self) -> DOMString {
+    fn LineJoin(&self) -> DOMString {
         let state = self.state.borrow();
         match state.line_join {
             LineJoinStyle::Round => "round".to_owned(),
@@ -1065,7 +1065,7 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-linejoin
-    fn SetLineJoin(self, join_str: DOMString) {
+    fn SetLineJoin(&self, join_str: DOMString) {
         if let Some(join) = LineJoinStyle::from_str(&join_str) {
             self.state.borrow_mut().line_join = join;
             self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetLineJoin(join))).unwrap()
@@ -1073,13 +1073,13 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-miterlimit
-    fn MiterLimit(self) -> f64 {
+    fn MiterLimit(&self) -> f64 {
         let state = self.state.borrow();
         state.miter_limit
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-miterlimit
-    fn SetMiterLimit(self, limit: f64) {
+    fn SetMiterLimit(&self, limit: f64) {
         if !limit.is_finite() || limit <= 0.0 {
             return;
         }
@@ -1091,12 +1091,12 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsetx
-    fn ShadowOffsetX(self) -> f64 {
+    fn ShadowOffsetX(&self) -> f64 {
         self.state.borrow().shadow_offset_x
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsetx
-    fn SetShadowOffsetX(self, value: f64) {
+    fn SetShadowOffsetX(&self, value: f64) {
         if !value.is_finite() || value == self.state.borrow().shadow_offset_x {
             return;
         }
@@ -1105,12 +1105,12 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsety
-    fn ShadowOffsetY(self) -> f64 {
+    fn ShadowOffsetY(&self) -> f64 {
         self.state.borrow().shadow_offset_y
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsety
-    fn SetShadowOffsetY(self, value: f64) {
+    fn SetShadowOffsetY(&self, value: f64) {
         if !value.is_finite() || value == self.state.borrow().shadow_offset_y {
             return;
         }
@@ -1119,12 +1119,12 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowblur
-    fn ShadowBlur(self) -> f64 {
+    fn ShadowBlur(&self) -> f64 {
         self.state.borrow().shadow_blur
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowblur
-    fn SetShadowBlur(self, value: f64) {
+    fn SetShadowBlur(&self, value: f64) {
         if !value.is_finite() || value < 0f64 || value == self.state.borrow().shadow_blur {
             return;
         }
@@ -1133,14 +1133,14 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowcolor
-    fn ShadowColor(self) -> DOMString {
+    fn ShadowColor(&self) -> DOMString {
         let mut result = String::new();
         serialize(&self.state.borrow().shadow_color, &mut result).unwrap();
         result
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowcolor
-    fn SetShadowColor(self, value: DOMString) {
+    fn SetShadowColor(&self, value: DOMString) {
         if let Ok(color) = parse_color(&value) {
             self.state.borrow_mut().shadow_color = color;
             self.ipc_renderer

servo/components/script/dom/characterdata.rs

@@ -47,24 +47,24 @@ impl CharacterData {
     }
 }
 
-impl<'a> CharacterDataMethods for &'a CharacterData {
+impl CharacterDataMethods for CharacterData {
     // https://dom.spec.whatwg.org/#dom-characterdata-data
-    fn Data(self) -> DOMString {
+    fn Data(&self) -> DOMString {
         self.data.borrow().clone()
     }
 
     // https://dom.spec.whatwg.org/#dom-characterdata-data
-    fn SetData(self, data: DOMString) {
+    fn SetData(&self, data: DOMString) {
         *self.data.borrow_mut() = data;
     }
 
     // https://dom.spec.whatwg.org/#dom-characterdata-length
-    fn Length(self) -> u32 {
+    fn Length(&self) -> u32 {
         self.data.borrow().chars().count() as u32
     }
 
     // https://dom.spec.whatwg.org/#dom-characterdata-substringdataoffset-count
-    fn SubstringData(self, offset: u32, count: u32) -> Fallible<DOMString> {
+    fn SubstringData(&self, offset: u32, count: u32) -> Fallible<DOMString> {
         let data = self.data.borrow();
         // Step 1.
         let length = data.chars().count() as u32;
@@ -78,22 +78,22 @@ impl<'a> CharacterDataMethods for &'a CharacterData {
     }
 
     // https://dom.spec.whatwg.org/#dom-characterdata-appenddatadata
-    fn AppendData(self, data: DOMString) {
+    fn AppendData(&self, data: DOMString) {
         self.append_data(&*data);
     }
 
     // https://dom.spec.whatwg.org/#dom-characterdata-insertdataoffset-data
-    fn InsertData(self, offset: u32, arg: DOMString) -> ErrorResult {
+    fn InsertData(&self, offset: u32, arg: DOMString) -> ErrorResult {
         self.ReplaceData(offset, 0, arg)
     }
 
     // https://dom.spec.whatwg.org/#dom-characterdata-deletedataoffset-count
-    fn DeleteData(self, offset: u32, count: u32) -> ErrorResult {
+    fn DeleteData(&self, offset: u32, count: u32) -> ErrorResult {
         self.ReplaceData(offset, count, "".to_owned())
     }
 
     // https://dom.spec.whatwg.org/#dom-characterdata-replacedataoffset-count-data
-    fn ReplaceData(self, offset: u32, count: u32, arg: DOMString) -> ErrorResult {
+    fn ReplaceData(&self, offset: u32, count: u32, arg: DOMString) -> ErrorResult {
         // Step 1.
         let length = self.data.borrow().chars().count() as u32;
         if offset > length {
@@ -116,34 +116,34 @@ impl<'a> CharacterDataMethods for &'a CharacterData {
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-before
-    fn Before(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn Before(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).before(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-after
-    fn After(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn After(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).after(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-replacewith
-    fn ReplaceWith(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn ReplaceWith(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).replace_with(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-remove
-    fn Remove(self) {
+    fn Remove(&self) {
         let node = NodeCast::from_ref(self);
         node.remove_self();
     }
 
     // https://dom.spec.whatwg.org/#dom-nondocumenttypechildnode-previouselementsibling
-    fn GetPreviousElementSibling(self) -> Option<Root<Element>> {
+    fn GetPreviousElementSibling(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).preceding_siblings()
                                 .filter_map(ElementCast::to_root).next()
     }
 
     // https://dom.spec.whatwg.org/#dom-nondocumenttypechildnode-nextelementsibling
-    fn GetNextElementSibling(self) -> Option<Root<Element>> {
+    fn GetNextElementSibling(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).following_siblings()
                                 .filter_map(ElementCast::to_root).next()
     }

servo/components/script/dom/closeevent.rs

@@ -68,19 +68,19 @@ impl CloseEvent {
     }
 }
 
-impl<'a> CloseEventMethods for &'a CloseEvent {
+impl CloseEventMethods for CloseEvent {
     // https://html.spec.whatwg.org/multipage/#dom-closeevent-wasclean
-    fn WasClean(self) -> bool {
+    fn WasClean(&self) -> bool {
         self.wasClean
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-closeevent-code
-    fn Code(self) -> u16 {
+    fn Code(&self) -> u16 {
         self.code
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-closeevent-reason
-    fn Reason(self) -> DOMString {
+    fn Reason(&self) -> DOMString {
         self.reason.clone()
     }
 }

servo/components/script/dom/console.rs

@@ -30,9 +30,9 @@ impl Console {
     }
 }
 
-impl<'a> ConsoleMethods for &'a Console {
+impl ConsoleMethods for Console {
     // https://developer.mozilla.org/en-US/docs/Web/API/Console/log
-    fn Log(self, messages: Vec<DOMString>) {
+    fn Log(&self, messages: Vec<DOMString>) {
         for message in messages {
             println!("{}", message);
             propagate_console_msg(&self, prepare_message(LogLevel::Log, message));
@@ -40,7 +40,7 @@ impl<'a> ConsoleMethods for &'a Console {
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/Console
-    fn Debug(self, messages: Vec<DOMString>) {
+    fn Debug(&self, messages: Vec<DOMString>) {
         for message in messages {
             println!("{}", message);
             propagate_console_msg(&self, prepare_message(LogLevel::Debug, message));
@@ -48,7 +48,7 @@ impl<'a> ConsoleMethods for &'a Console {
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/Console/info
-    fn Info(self, messages: Vec<DOMString>) {
+    fn Info(&self, messages: Vec<DOMString>) {
         for message in messages {
             println!("{}", message);
             propagate_console_msg(&self, prepare_message(LogLevel::Info, message));
@@ -56,7 +56,7 @@ impl<'a> ConsoleMethods for &'a Console {
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/Console/warn
-    fn Warn(self, messages: Vec<DOMString>) {
+    fn Warn(&self, messages: Vec<DOMString>) {
         for message in messages {
             println!("{}", message);
             propagate_console_msg(&self, prepare_message(LogLevel::Warn, message));
@@ -64,7 +64,7 @@ impl<'a> ConsoleMethods for &'a Console {
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/Console/error
-    fn Error(self, messages: Vec<DOMString>) {
+    fn Error(&self, messages: Vec<DOMString>) {
         for message in messages {
             println!("{}", message);
             propagate_console_msg(&self, prepare_message(LogLevel::Error, message));
@@ -72,7 +72,7 @@ impl<'a> ConsoleMethods for &'a Console {
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/Console/assert
-    fn Assert(self, condition: bool, message: Option<DOMString>) {
+    fn Assert(&self, condition: bool, message: Option<DOMString>) {
         if !condition {
             let message = match message {
                 Some(ref message) => &**message,

servo/components/script/dom/crypto.rs

@@ -40,10 +40,10 @@ impl Crypto {
     }
 }
 
-impl<'a> CryptoMethods for &'a Crypto {
+impl CryptoMethods for Crypto {
     #[allow(unsafe_code)]
     // https://dvcs.w3.org/hg/webcrypto-api/raw-file/tip/spec/Overview.html#Crypto-method-getRandomValues
-    fn GetRandomValues(self, _cx: *mut JSContext, input: *mut JSObject)
+    fn GetRandomValues(&self, _cx: *mut JSContext, input: *mut JSObject)
                        -> Fallible<*mut JSObject> {
         let mut length = 0;
         let mut data = ptr::null_mut();

servo/components/script/dom/cssstyledeclaration.rs

@@ -39,10 +39,10 @@ pub enum CSSModificationAccess {
 macro_rules! css_properties(
     ( $([$getter:ident, $setter:ident, $cssprop:expr]),* ) => (
         $(
-            fn $getter(self) -> DOMString {
+            fn $getter(&self) -> DOMString {
                 self.GetPropertyValue($cssprop.to_owned())
             }
-            fn $setter(self, value: DOMString) -> ErrorResult {
+            fn $setter(&self, value: DOMString) -> ErrorResult {
                 self.SetPropertyValue($cssprop.to_owned(), value)
             }
         )*
@@ -90,9 +90,9 @@ impl CSSStyleDeclaration {
     }
 }
 
-impl<'a> CSSStyleDeclarationMethods for &'a CSSStyleDeclaration {
+impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-length
-    fn Length(self) -> u32 {
+    fn Length(&self) -> u32 {
         let owner = self.owner.root();
         let elem = ElementCast::from_ref(owner.r());
         let len = match *elem.style_attribute().borrow() {
@@ -103,7 +103,7 @@ impl<'a> CSSStyleDeclarationMethods for &'a CSSStyleDeclaration {
     }
 
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-item
-    fn Item(self, index: u32) -> DOMString {
+    fn Item(&self, index: u32) -> DOMString {
         let index = index as usize;
         let owner = self.owner.root();
         let elem = ElementCast::from_ref(owner.r());
@@ -124,7 +124,7 @@ impl<'a> CSSStyleDeclarationMethods for &'a CSSStyleDeclaration {
     }
 
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-getpropertyvalue
-    fn GetPropertyValue(self, property: DOMString) -> DOMString {
+    fn GetPropertyValue(&self, property: DOMString) -> DOMString {
         let owner = self.owner.root();
 
         // Step 1
@@ -167,7 +167,7 @@ impl<'a> CSSStyleDeclarationMethods for &'a CSSStyleDeclaration {
     }
 
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-getpropertypriority
-    fn GetPropertyPriority(self, property: DOMString) -> DOMString {
+    fn GetPropertyPriority(&self, property: DOMString) -> DOMString {
         // Step 1
         let property = Atom::from_slice(&property.to_ascii_lowercase());
 
@@ -195,7 +195,7 @@ impl<'a> CSSStyleDeclarationMethods for &'a CSSStyleDeclaration {
     }
 
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-setproperty
-    fn SetProperty(self, property: DOMString, value: DOMString,
+    fn SetProperty(&self, property: DOMString, value: DOMString,
                    priority: DOMString) -> ErrorResult {
         // Step 1
         if self.readonly {
@@ -250,7 +250,7 @@ impl<'a> CSSStyleDeclarationMethods for &'a CSSStyleDeclaration {
     }
 
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-setpropertypriority
-    fn SetPropertyPriority(self, property: DOMString, priority: DOMString) -> ErrorResult {
+    fn SetPropertyPriority(&self, property: DOMString, priority: DOMString) -> ErrorResult {
         // Step 1
         if self.readonly {
             return Err(Error::NoModificationAllowed);
@@ -284,12 +284,12 @@ impl<'a> CSSStyleDeclarationMethods for &'a CSSStyleDeclaration {
     }
 
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-setpropertyvalue
-    fn SetPropertyValue(self, property: DOMString, value: DOMString) -> ErrorResult {
+    fn SetPropertyValue(&self, property: DOMString, value: DOMString) -> ErrorResult {
         self.SetProperty(property, value, "".to_owned())
     }
 
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-removeproperty
-    fn RemoveProperty(self, property: DOMString) -> Fallible<DOMString> {
+    fn RemoveProperty(&self, property: DOMString) -> Fallible<DOMString> {
         // Step 1
         if self.readonly {
             return Err(Error::NoModificationAllowed);
@@ -320,17 +320,17 @@ impl<'a> CSSStyleDeclarationMethods for &'a CSSStyleDeclaration {
     }
 
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-cssfloat
-    fn CssFloat(self) -> DOMString {
+    fn CssFloat(&self) -> DOMString {
         self.GetPropertyValue("float".to_owned())
     }
 
     // https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-cssfloat
-    fn SetCssFloat(self, value: DOMString) -> ErrorResult {
+    fn SetCssFloat(&self, value: DOMString) -> ErrorResult {
         self.SetPropertyValue("float".to_owned(), value)
     }
 
     // https://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface
-    fn IndexedGetter(self, index: u32, found: &mut bool) -> DOMString {
+    fn IndexedGetter(&self, index: u32, found: &mut bool) -> DOMString {
         let rval = self.Item(index);
         *found = index < self.Length();
         rval

servo/components/script/dom/customevent.rs

@@ -62,14 +62,14 @@ impl CustomEvent {
     }
 }
 
-impl<'a> CustomEventMethods for &'a CustomEvent {
+impl CustomEventMethods for CustomEvent {
     // https://dom.spec.whatwg.org/#dom-customevent-detail
-    fn Detail(self, _cx: *mut JSContext) -> JSVal {
+    fn Detail(&self, _cx: *mut JSContext) -> JSVal {
         self.detail.get()
     }
 
     // https://dom.spec.whatwg.org/#dom-customevent-initcustomevent
-    fn InitCustomEvent(self,
+    fn InitCustomEvent(&self,
                        _cx: *mut JSContext,
                        type_: DOMString,
                        can_bubble: bool,

servo/components/script/dom/dedicatedworkerglobalscope.rs

@@ -354,9 +354,9 @@ impl DedicatedWorkerGlobalScope {
     }
 }
 
-impl<'a> DedicatedWorkerGlobalScopeMethods for &'a DedicatedWorkerGlobalScope {
+impl DedicatedWorkerGlobalScopeMethods for DedicatedWorkerGlobalScope {
     // https://html.spec.whatwg.org/multipage/#dom-dedicatedworkerglobalscope-postmessage
-    fn PostMessage(self, cx: *mut JSContext, message: HandleValue) -> ErrorResult {
+    fn PostMessage(&self, cx: *mut JSContext, message: HandleValue) -> ErrorResult {
         let data = try!(StructuredCloneData::write(cx, message));
         let worker = self.worker.borrow().as_ref().unwrap().clone();
         self.parent_sender.send(CommonScriptMsg::RunnableMsg(

servo/components/script/dom/document.rs

@@ -1127,19 +1127,19 @@ impl Node {
     }
 }
 
-impl<'a> DocumentMethods for &'a Document {
+impl DocumentMethods for Document {
     // https://dom.spec.whatwg.org/#dom-document-implementation
-    fn Implementation(self) -> Root<DOMImplementation> {
+    fn Implementation(&self) -> Root<DOMImplementation> {
         self.implementation.or_init(|| DOMImplementation::new(self))
     }
 
     // https://dom.spec.whatwg.org/#dom-document-url
-    fn URL(self) -> DOMString {
+    fn URL(&self) -> DOMString {
         self.url().serialize()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-activeelement
-    fn GetActiveElement(self) -> Option<Root<Element>> {
+    fn GetActiveElement(&self) -> Option<Root<Element>> {
         // TODO: Step 2.
 
         match self.get_focused_element() {
@@ -1152,7 +1152,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-hasfocus
-    fn HasFocus(self) -> bool {
+    fn HasFocus(&self) -> bool {
         let target = self;                                                        // Step 1.
         let window = self.window.root();
         let window = window.r();
@@ -1173,12 +1173,12 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-documenturi
-    fn DocumentURI(self) -> DOMString {
+    fn DocumentURI(&self) -> DOMString {
         self.URL()
     }
 
     // https://dom.spec.whatwg.org/#dom-document-compatmode
-    fn CompatMode(self) -> DOMString {
+    fn CompatMode(&self) -> DOMString {
         match self.quirks_mode.get() {
             LimitedQuirks | NoQuirks => "CSS1Compat".to_owned(),
             Quirks => "BackCompat".to_owned()
@@ -1186,22 +1186,22 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-characterset
-    fn CharacterSet(self) -> DOMString {
+    fn CharacterSet(&self) -> DOMString {
         self.encoding_name.borrow().clone()
     }
 
     // https://dom.spec.whatwg.org/#dom-document-inputencoding
-    fn InputEncoding(self) -> DOMString {
+    fn InputEncoding(&self) -> DOMString {
         self.encoding_name.borrow().clone()
     }
 
     // https://dom.spec.whatwg.org/#dom-document-content_type
-    fn ContentType(self) -> DOMString {
+    fn ContentType(&self) -> DOMString {
         self.content_type.clone()
     }
 
     // https://dom.spec.whatwg.org/#dom-document-doctype
-    fn GetDoctype(self) -> Option<Root<DocumentType>> {
+    fn GetDoctype(&self) -> Option<Root<DocumentType>> {
         let node = NodeCast::from_ref(self);
         node.children()
             .filter_map(|c| DocumentTypeCast::to_ref(c.r()).map(Root::from_ref))
@@ -1209,39 +1209,39 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-documentelement
-    fn GetDocumentElement(self) -> Option<Root<Element>> {
+    fn GetDocumentElement(&self) -> Option<Root<Element>> {
         let node = NodeCast::from_ref(self);
         node.child_elements().next()
     }
 
     // https://dom.spec.whatwg.org/#dom-document-getelementsbytagname
-    fn GetElementsByTagName(self, tag_name: DOMString) -> Root<HTMLCollection> {
+    fn GetElementsByTagName(&self, tag_name: DOMString) -> Root<HTMLCollection> {
         let window = self.window.root();
         HTMLCollection::by_tag_name(window.r(), NodeCast::from_ref(self), tag_name)
     }
 
     // https://dom.spec.whatwg.org/#dom-document-getelementsbytagnamens
-    fn GetElementsByTagNameNS(self, maybe_ns: Option<DOMString>, tag_name: DOMString)
+    fn GetElementsByTagNameNS(&self, maybe_ns: Option<DOMString>, tag_name: DOMString)
                               -> Root<HTMLCollection> {
         let window = self.window.root();
         HTMLCollection::by_tag_name_ns(window.r(), NodeCast::from_ref(self), tag_name, maybe_ns)
     }
 
     // https://dom.spec.whatwg.org/#dom-document-getelementsbyclassname
-    fn GetElementsByClassName(self, classes: DOMString) -> Root<HTMLCollection> {
+    fn GetElementsByClassName(&self, classes: DOMString) -> Root<HTMLCollection> {
         let window = self.window.root();
 
         HTMLCollection::by_class_name(window.r(), NodeCast::from_ref(self), classes)
     }
 
     // https://dom.spec.whatwg.org/#dom-nonelementparentnode-getelementbyid
-    fn GetElementById(self, id: DOMString) -> Option<Root<Element>> {
+    fn GetElementById(&self, id: DOMString) -> Option<Root<Element>> {
         let id = Atom::from_slice(&id);
         self.idmap.borrow().get(&id).map(|ref elements| (*elements)[0].root())
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createelement
-    fn CreateElement(self, mut local_name: DOMString) -> Fallible<Root<Element>> {
+    fn CreateElement(&self, mut local_name: DOMString) -> Fallible<Root<Element>> {
         if xml_name_type(&local_name) == InvalidXMLName {
             debug!("Not a valid element name");
             return Err(InvalidCharacter);
@@ -1254,7 +1254,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createelementns
-    fn CreateElementNS(self,
+    fn CreateElementNS(&self,
                        namespace: Option<DOMString>,
                        qualified_name: DOMString) -> Fallible<Root<Element>> {
         let (namespace, prefix, local_name) =
@@ -1264,7 +1264,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createattribute
-    fn CreateAttribute(self, local_name: DOMString) -> Fallible<Root<Attr>> {
+    fn CreateAttribute(&self, local_name: DOMString) -> Fallible<Root<Attr>> {
         if xml_name_type(&local_name) == InvalidXMLName {
             debug!("Not a valid element name");
             return Err(InvalidCharacter);
@@ -1280,7 +1280,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createattributens
-    fn CreateAttributeNS(self, namespace: Option<DOMString>, qualified_name: DOMString)
+    fn CreateAttributeNS(&self, namespace: Option<DOMString>, qualified_name: DOMString)
                          -> Fallible<Root<Attr>> {
         let (namespace, prefix, local_name) =
             try!(validate_and_extract(namespace, &qualified_name));
@@ -1292,22 +1292,22 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createdocumentfragment
-    fn CreateDocumentFragment(self) -> Root<DocumentFragment> {
+    fn CreateDocumentFragment(&self) -> Root<DocumentFragment> {
         DocumentFragment::new(self)
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createtextnode
-    fn CreateTextNode(self, data: DOMString) -> Root<Text> {
+    fn CreateTextNode(&self, data: DOMString) -> Root<Text> {
         Text::new(data, self)
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createcomment
-    fn CreateComment(self, data: DOMString) -> Root<Comment> {
+    fn CreateComment(&self, data: DOMString) -> Root<Comment> {
         Comment::new(data, self)
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createprocessinginstruction
-    fn CreateProcessingInstruction(self, target: DOMString, data: DOMString) ->
+    fn CreateProcessingInstruction(&self, target: DOMString, data: DOMString) ->
             Fallible<Root<ProcessingInstruction>> {
         // Step 1.
         if xml_name_type(&target) == InvalidXMLName {
@@ -1324,7 +1324,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-importnode
-    fn ImportNode(self, node: &Node, deep: bool) -> Fallible<Root<Node>> {
+    fn ImportNode(&self, node: &Node, deep: bool) -> Fallible<Root<Node>> {
         // Step 1.
         if node.is_document() {
             return Err(NotSupported);
@@ -1340,7 +1340,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-adoptnode
-    fn AdoptNode(self, node: &Node) -> Fallible<Root<Node>> {
+    fn AdoptNode(&self, node: &Node) -> Fallible<Root<Node>> {
         // Step 1.
         if node.is_document() {
             return Err(NotSupported);
@@ -1354,7 +1354,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createevent
-    fn CreateEvent(self, interface: DOMString) -> Fallible<Root<Event>> {
+    fn CreateEvent(&self, interface: DOMString) -> Fallible<Root<Event>> {
         let window = self.window.root();
 
         match &*interface.to_ascii_lowercase() {
@@ -1375,7 +1375,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-lastmodified
-    fn LastModified(self) -> DOMString {
+    fn LastModified(&self) -> DOMString {
         match self.last_modified {
             Some(ref t) => t.clone(),
             None => time::now().strftime("%m/%d/%Y %H:%M:%S").unwrap().to_string(),
@@ -1383,24 +1383,24 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createrange
-    fn CreateRange(self) -> Root<Range> {
+    fn CreateRange(&self) -> Root<Range> {
         Range::new_with_doc(self)
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createnodeiteratorroot-whattoshow-filter
-    fn CreateNodeIterator(self, root: &Node, whatToShow: u32, filter: Option<Rc<NodeFilter>>)
+    fn CreateNodeIterator(&self, root: &Node, whatToShow: u32, filter: Option<Rc<NodeFilter>>)
                         -> Root<NodeIterator> {
         NodeIterator::new(self, root, whatToShow, filter)
     }
 
     // https://dom.spec.whatwg.org/#dom-document-createtreewalker
-    fn CreateTreeWalker(self, root: &Node, whatToShow: u32, filter: Option<Rc<NodeFilter>>)
+    fn CreateTreeWalker(&self, root: &Node, whatToShow: u32, filter: Option<Rc<NodeFilter>>)
                         -> Root<TreeWalker> {
         TreeWalker::new(self, root, whatToShow, filter)
     }
 
     // https://html.spec.whatwg.org/#document.title
-    fn Title(self) -> DOMString {
+    fn Title(&self) -> DOMString {
         let title = self.GetDocumentElement().and_then(|root| {
             if root.r().namespace() == &ns!(SVG) && root.r().local_name() == &atom!("svg") {
                 // Step 1.
@@ -1427,7 +1427,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#document.title
-    fn SetTitle(self, title: DOMString) {
+    fn SetTitle(&self, title: DOMString) {
         let root = match self.GetDocumentElement() {
             Some(root) => root,
             None => return,
@@ -1478,7 +1478,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-head
-    fn GetHead(self) -> Option<Root<HTMLHeadElement>> {
+    fn GetHead(&self) -> Option<Root<HTMLHeadElement>> {
         self.get_html_element().and_then(|root| {
             let node = NodeCast::from_ref(root.r());
             node.children()
@@ -1488,12 +1488,12 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-currentscript
-    fn GetCurrentScript(self) -> Option<Root<HTMLScriptElement>> {
+    fn GetCurrentScript(&self) -> Option<Root<HTMLScriptElement>> {
         self.current_script.get().map(Root::from_rooted)
     }
 
     // https://html.spec.whatwg.org/#dom-document-body
-    fn GetBody(self) -> Option<Root<HTMLElement>> {
+    fn GetBody(&self) -> Option<Root<HTMLElement>> {
         self.get_html_element().and_then(|root| {
             let node = NodeCast::from_ref(root.r());
             node.children().find(|child| {
@@ -1509,7 +1509,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-body
-    fn SetBody(self, new_body: Option<&HTMLElement>) -> ErrorResult {
+    fn SetBody(&self, new_body: Option<&HTMLElement>) -> ErrorResult {
         // Step 1.
         let new_body = match new_body {
             Some(new_body) => new_body,
@@ -1552,7 +1552,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-getelementsbyname
-    fn GetElementsByName(self, name: DOMString) -> Root<NodeList> {
+    fn GetElementsByName(&self, name: DOMString) -> Root<NodeList> {
         self.create_node_list(|node| {
             let element = match ElementCast::to_ref(node) {
                 Some(element) => element,
@@ -1568,7 +1568,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-images
-    fn Images(self) -> Root<HTMLCollection> {
+    fn Images(&self) -> Root<HTMLCollection> {
         self.images.or_init(|| {
             let window = self.window.root();
             let root = NodeCast::from_ref(self);
@@ -1578,7 +1578,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-embeds
-    fn Embeds(self) -> Root<HTMLCollection> {
+    fn Embeds(&self) -> Root<HTMLCollection> {
         self.embeds.or_init(|| {
             let window = self.window.root();
             let root = NodeCast::from_ref(self);
@@ -1588,12 +1588,12 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-plugins
-    fn Plugins(self) -> Root<HTMLCollection> {
+    fn Plugins(&self) -> Root<HTMLCollection> {
         self.Embeds()
     }
 
     // https://html.spec.whatwg.org/#dom-document-links
-    fn Links(self) -> Root<HTMLCollection> {
+    fn Links(&self) -> Root<HTMLCollection> {
         self.links.or_init(|| {
             let window = self.window.root();
             let root = NodeCast::from_ref(self);
@@ -1603,7 +1603,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-forms
-    fn Forms(self) -> Root<HTMLCollection> {
+    fn Forms(&self) -> Root<HTMLCollection> {
         self.forms.or_init(|| {
             let window = self.window.root();
             let root = NodeCast::from_ref(self);
@@ -1613,7 +1613,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-scripts
-    fn Scripts(self) -> Root<HTMLCollection> {
+    fn Scripts(&self) -> Root<HTMLCollection> {
         self.scripts.or_init(|| {
             let window = self.window.root();
             let root = NodeCast::from_ref(self);
@@ -1623,7 +1623,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-anchors
-    fn Anchors(self) -> Root<HTMLCollection> {
+    fn Anchors(&self) -> Root<HTMLCollection> {
         self.anchors.or_init(|| {
             let window = self.window.root();
             let root = NodeCast::from_ref(self);
@@ -1633,7 +1633,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-applets
-    fn Applets(self) -> Root<HTMLCollection> {
+    fn Applets(&self) -> Root<HTMLCollection> {
         // FIXME: This should be return OBJECT elements containing applets.
         self.applets.or_init(|| {
             let window = self.window.root();
@@ -1644,67 +1644,67 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/#dom-document-location
-    fn Location(self) -> Root<Location> {
+    fn Location(&self) -> Root<Location> {
         let window = self.window.root();
         let window = window.r();
         self.location.or_init(|| Location::new(window))
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-children
-    fn Children(self) -> Root<HTMLCollection> {
+    fn Children(&self) -> Root<HTMLCollection> {
         let window = self.window.root();
         HTMLCollection::children(window.r(), NodeCast::from_ref(self))
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-firstelementchild
-    fn GetFirstElementChild(self) -> Option<Root<Element>> {
+    fn GetFirstElementChild(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).child_elements().next()
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-lastelementchild
-    fn GetLastElementChild(self) -> Option<Root<Element>> {
+    fn GetLastElementChild(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).rev_children().filter_map(ElementCast::to_root).next()
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-childelementcount
-    fn ChildElementCount(self) -> u32 {
+    fn ChildElementCount(&self) -> u32 {
         NodeCast::from_ref(self).child_elements().count() as u32
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-prepend
-    fn Prepend(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn Prepend(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).prepend(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-append
-    fn Append(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn Append(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).append(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-queryselector
-    fn QuerySelector(self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
+    fn QuerySelector(&self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
         let root = NodeCast::from_ref(self);
         root.query_selector(selectors)
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-queryselectorall
-    fn QuerySelectorAll(self, selectors: DOMString) -> Fallible<Root<NodeList>> {
+    fn QuerySelectorAll(&self, selectors: DOMString) -> Fallible<Root<NodeList>> {
         let root = NodeCast::from_ref(self);
         root.query_selector_all(selectors)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-readystate
-    fn ReadyState(self) -> DocumentReadyState {
+    fn ReadyState(&self) -> DocumentReadyState {
         self.ready_state.get()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-defaultview
-    fn DefaultView(self) -> Root<Window> {
+    fn DefaultView(&self) -> Root<Window> {
         self.window.root()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-cookie
-    fn GetCookie(self) -> Fallible<DOMString> {
+    fn GetCookie(&self) -> Fallible<DOMString> {
         //TODO: return empty string for cookie-averse Document
         let url = self.url();
         if !is_scheme_host_port_tuple(&url) {
@@ -1718,7 +1718,7 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-cookie
-    fn SetCookie(self, cookie: DOMString) -> ErrorResult {
+    fn SetCookie(&self, cookie: DOMString) -> ErrorResult {
         //TODO: ignore for cookie-averse Document
         let url = self.url();
         if !is_scheme_host_port_tuple(&url) {
@@ -1730,17 +1730,17 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-bgcolor
-    fn BgColor(self) -> DOMString {
+    fn BgColor(&self) -> DOMString {
         self.get_body_attribute(&atom!("bgcolor"))
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-bgcolor
-    fn SetBgColor(self, value: DOMString) {
+    fn SetBgColor(&self, value: DOMString) {
         self.set_body_attribute(&atom!("bgcolor"), value)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-tree-accessors:dom-document-nameditem-filter
-    fn NamedGetter(self, _cx: *mut JSContext, name: DOMString, found: &mut bool)
+    fn NamedGetter(&self, _cx: *mut JSContext, name: DOMString, found: &mut bool)
                    -> *mut JSObject {
         #[derive(JSTraceable, HeapSizeOf)]
         struct NamedElementFilter {
@@ -1826,23 +1826,23 @@ impl<'a> DocumentMethods for &'a Document {
     }
 
     // https://html.spec.whatwg.org/multipage/#document
-    fn SupportedPropertyNames(self) -> Vec<DOMString> {
+    fn SupportedPropertyNames(&self) -> Vec<DOMString> {
         // FIXME: unimplemented (https://github.com/servo/servo/issues/7273)
         vec![]
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-clear
-    fn Clear(self) {
+    fn Clear(&self) {
         // This method intentionally does nothing
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-captureevents
-    fn CaptureEvents(self) {
+    fn CaptureEvents(&self) {
         // This method intentionally does nothing
     }
 
     // https://html.spec.whatwg.org/#dom-document-releaseevents
-    fn ReleaseEvents(self) {
+    fn ReleaseEvents(&self) {
         // This method intentionally does nothing
     }
 

servo/components/script/dom/documentfragment.rs

@@ -51,46 +51,46 @@ impl DocumentFragment {
     }
 }
 
-impl<'a> DocumentFragmentMethods for &'a DocumentFragment {
+impl DocumentFragmentMethods for DocumentFragment {
     // https://dom.spec.whatwg.org/#dom-parentnode-children
-    fn Children(self) -> Root<HTMLCollection> {
+    fn Children(&self) -> Root<HTMLCollection> {
         let window = window_from_node(self);
         HTMLCollection::children(window.r(), NodeCast::from_ref(self))
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-firstelementchild
-    fn GetFirstElementChild(self) -> Option<Root<Element>> {
+    fn GetFirstElementChild(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).child_elements().next()
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-lastelementchild
-    fn GetLastElementChild(self) -> Option<Root<Element>> {
+    fn GetLastElementChild(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).rev_children().filter_map(ElementCast::to_root).next()
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-childelementcount
-    fn ChildElementCount(self) -> u32 {
+    fn ChildElementCount(&self) -> u32 {
         NodeCast::from_ref(self).child_elements().count() as u32
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-prepend
-    fn Prepend(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn Prepend(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).prepend(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-append
-    fn Append(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn Append(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).append(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-queryselector
-    fn QuerySelector(self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
+    fn QuerySelector(&self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
         let root = NodeCast::from_ref(self);
         root.query_selector(selectors)
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-queryselectorall
-    fn QuerySelectorAll(self, selectors: DOMString) -> Fallible<Root<NodeList>> {
+    fn QuerySelectorAll(&self, selectors: DOMString) -> Fallible<Root<NodeList>> {
         let root = NodeCast::from_ref(self);
         root.query_selector_all(selectors)
     }

servo/components/script/dom/documenttype.rs

@@ -73,39 +73,39 @@ impl DocumentType {
     }
 }
 
-impl<'a> DocumentTypeMethods for &'a DocumentType {
+impl DocumentTypeMethods for DocumentType {
     // https://dom.spec.whatwg.org/#dom-documenttype-name
-    fn Name(self) -> DOMString {
+    fn Name(&self) -> DOMString {
         self.name.clone()
     }
 
     // https://dom.spec.whatwg.org/#dom-documenttype-publicid
-    fn PublicId(self) -> DOMString {
+    fn PublicId(&self) -> DOMString {
         self.public_id.clone()
     }
 
     // https://dom.spec.whatwg.org/#dom-documenttype-systemid
-    fn SystemId(self) -> DOMString {
+    fn SystemId(&self) -> DOMString {
         self.system_id.clone()
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-before
-    fn Before(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn Before(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).before(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-after
-    fn After(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn After(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).after(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-replacewith
-    fn ReplaceWith(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn ReplaceWith(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).replace_with(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-remove
-    fn Remove(self) {
+    fn Remove(&self) {
         let node = NodeCast::from_ref(self);
         node.remove_self();
     }

servo/components/script/dom/domexception.rs

@@ -59,9 +59,9 @@ impl DOMException {
     }
 }
 
-impl<'a> DOMExceptionMethods for &'a DOMException {
+impl DOMExceptionMethods for DOMException {
     // https://heycam.github.io/webidl/#dfn-DOMException
-    fn Code(self) -> u16 {
+    fn Code(&self) -> u16 {
         match self.code {
             // https://heycam.github.io/webidl/#dfn-throw
             DOMErrorName::EncodingError => 0,
@@ -70,12 +70,12 @@ impl<'a> DOMExceptionMethods for &'a DOMException {
     }
 
     // https://heycam.github.io/webidl/#idl-DOMException-error-names
-    fn Name(self) -> DOMString {
+    fn Name(&self) -> DOMString {
         format!("{:?}", self.code)
     }
 
     // https://heycam.github.io/webidl/#error-names
-    fn Message(self) -> DOMString {
+    fn Message(&self) -> DOMString {
         let message = match self.code {
             DOMErrorName::IndexSizeError => "The index is not in the allowed range.",
             DOMErrorName::HierarchyRequestError => "The operation would yield an incorrect node tree.",

servo/components/script/dom/domimplementation.rs

@@ -49,9 +49,9 @@ impl DOMImplementation {
 }
 
 // https://dom.spec.whatwg.org/#domimplementation
-impl<'a> DOMImplementationMethods for &'a DOMImplementation {
+impl DOMImplementationMethods for DOMImplementation {
     // https://dom.spec.whatwg.org/#dom-domimplementation-createdocumenttype
-    fn CreateDocumentType(self, qualified_name: DOMString, pubid: DOMString, sysid: DOMString)
+    fn CreateDocumentType(&self, qualified_name: DOMString, pubid: DOMString, sysid: DOMString)
                           -> Fallible<Root<DocumentType>> {
         try!(validate_qualified_name(&qualified_name));
         let document = self.document.root();
@@ -59,7 +59,7 @@ impl<'a> DOMImplementationMethods for &'a DOMImplementation {
     }
 
     // https://dom.spec.whatwg.org/#dom-domimplementation-createdocument
-    fn CreateDocument(self, namespace: Option<DOMString>, qname: DOMString,
+    fn CreateDocument(&self, namespace: Option<DOMString>, qname: DOMString,
                       maybe_doctype: Option<&DocumentType>) -> Fallible<Root<Document>> {
         let doc = self.document.root();
         let doc = doc.r();
@@ -108,7 +108,7 @@ impl<'a> DOMImplementationMethods for &'a DOMImplementation {
     }
 
     // https://dom.spec.whatwg.org/#dom-domimplementation-createhtmldocument
-    fn CreateHTMLDocument(self, title: Option<DOMString>) -> Root<Document> {
+    fn CreateHTMLDocument(&self, title: Option<DOMString>) -> Root<Document> {
         let document = self.document.root();
         let document = document.r();
         let win = document.window();
@@ -167,7 +167,7 @@ impl<'a> DOMImplementationMethods for &'a DOMImplementation {
     }
 
     // https://dom.spec.whatwg.org/#dom-domimplementation-hasfeature
-    fn HasFeature(self) -> bool {
+    fn HasFeature(&self) -> bool {
         true
     }
 }

servo/components/script/dom/domparser.rs

@@ -44,9 +44,9 @@ impl DOMParser {
     }
 }
 
-impl<'a> DOMParserMethods for &'a DOMParser {
+impl DOMParserMethods for DOMParser {
     // https://domparsing.spec.whatwg.org/#the-domparser-interface
-    fn ParseFromString(self,
+    fn ParseFromString(&self,
                        s: DOMString,
                        ty: DOMParserBinding::SupportedType)
                        -> Fallible<Root<Document>> {

servo/components/script/dom/dompoint.rs

@@ -33,44 +33,44 @@ impl DOMPoint {
     }
 }
 
-impl<'a> DOMPointMethods for &'a DOMPoint {
+impl DOMPointMethods for DOMPoint {
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-x
-    fn X(self) -> f64 {
+    fn X(&self) -> f64 {
         self.point.X()
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-x
-    fn SetX(self, value: f64) {
+    fn SetX(&self, value: f64) {
         self.point.SetX(value);
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-y
-    fn Y(self) -> f64 {
+    fn Y(&self) -> f64 {
         self.point.Y()
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-y
-    fn SetY(self, value: f64) {
+    fn SetY(&self, value: f64) {
         self.point.SetY(value);
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-z
-    fn Z(self) -> f64 {
+    fn Z(&self) -> f64 {
         self.point.Z()
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-z
-    fn SetZ(self, value: f64) {
+    fn SetZ(&self, value: f64) {
         self.point.SetZ(value);
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-w
-    fn W(self) -> f64 {
+    fn W(&self) -> f64 {
         self.point.W()
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-w
-    fn SetW(self, value: f64) {
+    fn SetW(&self, value: f64) {
         self.point.SetW(value);
     }
 }

servo/components/script/dom/dompointreadonly.rs

@@ -40,49 +40,49 @@ impl DOMPointReadOnly {
     }
 }
 
-impl<'a> DOMPointReadOnlyMethods for &'a DOMPointReadOnly {
+impl DOMPointReadOnlyMethods for DOMPointReadOnly {
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-x
-    fn X(self) -> f64 {
+    fn X(&self) -> f64 {
         self.x.get()
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-y
-    fn Y(self) -> f64 {
+    fn Y(&self) -> f64 {
         self.y.get()
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-z
-    fn Z(self) -> f64 {
+    fn Z(&self) -> f64 {
         self.z.get()
     }
 
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-w
-    fn W(self) -> f64 {
+    fn W(&self) -> f64 {
         self.w.get()
     }
 }
 
 pub trait DOMPointWriteMethods {
-    fn SetX(self, value: f64);
-    fn SetY(self, value: f64);
-    fn SetZ(self, value: f64);
-    fn SetW(self, value: f64);
+    fn SetX(&self, value: f64);
+    fn SetY(&self, value: f64);
+    fn SetZ(&self, value: f64);
+    fn SetW(&self, value: f64);
 }
 
-impl<'a> DOMPointWriteMethods for &'a DOMPointReadOnly {
-    fn SetX(self, value: f64) {
+impl DOMPointWriteMethods for DOMPointReadOnly {
+    fn SetX(&self, value: f64) {
         self.x.set(value);
     }
 
-    fn SetY(self, value: f64) {
+    fn SetY(&self, value: f64) {
         self.y.set(value);
     }
 
-    fn SetZ(self, value: f64) {
+    fn SetZ(&self, value: f64) {
         self.z.set(value);
     }
 
-    fn SetW(self, value: f64) {
+    fn SetW(&self, value: f64) {
         self.w.set(value);
     }
 }

servo/components/script/dom/domrect.rs

@@ -40,35 +40,35 @@ impl DOMRect {
     }
 }
 
-impl<'a> DOMRectMethods for &'a DOMRect {
+impl DOMRectMethods for DOMRect {
     // https://drafts.fxtf.org/geometry/#dom-domrectreadonly-top
-    fn Top(self) -> Finite<f32> {
+    fn Top(&self) -> Finite<f32> {
         Finite::wrap(self.top)
     }
 
     // https://drafts.fxtf.org/geometry/#dom-domrectreadonly-bottom
-    fn Bottom(self) -> Finite<f32> {
+    fn Bottom(&self) -> Finite<f32> {
         Finite::wrap(self.bottom)
     }
 
     // https://drafts.fxtf.org/geometry/#dom-domrectreadonly-left
-    fn Left(self) -> Finite<f32> {
+    fn Left(&self) -> Finite<f32> {
         Finite::wrap(self.left)
     }
 
     // https://drafts.fxtf.org/geometry/#dom-domrectreadonly-right
-    fn Right(self) -> Finite<f32> {
+    fn Right(&self) -> Finite<f32> {
         Finite::wrap(self.right)
     }
 
     // https://drafts.fxtf.org/geometry/#dom-domrectreadonly-width
-    fn Width(self) -> Finite<f32> {
+    fn Width(&self) -> Finite<f32> {
         let result = (self.right - self.left).abs();
         Finite::wrap(result)
     }
 
     // https://drafts.fxtf.org/geometry/#dom-domrectreadonly-height
-    fn Height(self) -> Finite<f32> {
+    fn Height(&self) -> Finite<f32> {
         let result = (self.bottom - self.top).abs();
         Finite::wrap(result)
     }

servo/components/script/dom/domrectlist.rs

@@ -32,14 +32,14 @@ impl DOMRectList {
     }
 }
 
-impl<'a> DOMRectListMethods for &'a DOMRectList {
+impl DOMRectListMethods for DOMRectList {
     // https://drafts.fxtf.org/geometry/#dom-domrectlist-length
-    fn Length(self) -> u32 {
+    fn Length(&self) -> u32 {
         self.rects.len() as u32
     }
 
     // https://drafts.fxtf.org/geometry/#dom-domrectlist-item
-    fn Item(self, index: u32) -> Option<Root<DOMRect>> {
+    fn Item(&self, index: u32) -> Option<Root<DOMRect>> {
         let rects = &self.rects;
         if index < rects.len() as u32 {
             Some(rects[index as usize].root())
@@ -49,7 +49,7 @@ impl<'a> DOMRectListMethods for &'a DOMRectList {
     }
 
     // check-tidy: no specs after this line
-    fn IndexedGetter(self, index: u32, found: &mut bool) -> Option<Root<DOMRect>> {
+    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<Root<DOMRect>> {
         *found = index < self.rects.len() as u32;
         self.Item(index)
     }

servo/components/script/dom/domstringmap.rs

@@ -34,26 +34,26 @@ impl DOMStringMap {
 }
 
 // https://html.spec.whatwg.org/#domstringmap
-impl<'a> DOMStringMapMethods for &'a DOMStringMap {
+impl DOMStringMapMethods for DOMStringMap {
     // https://html.spec.whatwg.org/multipage/#dom-domstringmap-additem
-    fn NamedCreator(self, name: DOMString, value: DOMString) -> ErrorResult {
+    fn NamedCreator(&self, name: DOMString, value: DOMString) -> ErrorResult {
         self.NamedSetter(name, value)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-domstringmap-removeitem
-    fn NamedDeleter(self, name: DOMString) {
+    fn NamedDeleter(&self, name: DOMString) {
         let element = self.element.root();
         element.r().delete_custom_attr(name)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-domstringmap-setitem
-    fn NamedSetter(self, name: DOMString, value: DOMString) -> ErrorResult {
+    fn NamedSetter(&self, name: DOMString, value: DOMString) -> ErrorResult {
         let element = self.element.root();
         element.r().set_custom_attr(name, value)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-domstringmap-nameditem
-    fn NamedGetter(self, name: DOMString, found: &mut bool) -> DOMString {
+    fn NamedGetter(&self, name: DOMString, found: &mut bool) -> DOMString {
         let element = self.element.root();
         match element.r().get_custom_attr(name) {
             Some(value) => {
@@ -68,7 +68,7 @@ impl<'a> DOMStringMapMethods for &'a DOMStringMap {
     }
 
     // https://html.spec.whatwg.org/multipage/#domstringmap
-    fn SupportedPropertyNames(self) -> Vec<DOMString> {
+    fn SupportedPropertyNames(&self) -> Vec<DOMString> {
         // FIXME: unimplemented (https://github.com/servo/servo/issues/7273)
         vec![]
     }

servo/components/script/dom/domtokenlist.rs

@@ -59,9 +59,9 @@ impl DOMTokenList {
 }
 
 // https://dom.spec.whatwg.org/#domtokenlist
-impl<'a> DOMTokenListMethods for &'a DOMTokenList {
+impl DOMTokenListMethods for DOMTokenList {
     // https://dom.spec.whatwg.org/#dom-domtokenlist-length
-    fn Length(self) -> u32 {
+    fn Length(&self) -> u32 {
         self.attribute().map(|attr| {
             let attr = attr.r();
             attr.value().tokens().map(|tokens| tokens.len()).unwrap_or(0)
@@ -69,7 +69,7 @@ impl<'a> DOMTokenListMethods for &'a DOMTokenList {
     }
 
     // https://dom.spec.whatwg.org/#dom-domtokenlist-item
-    fn Item(self, index: u32) -> Option<DOMString> {
+    fn Item(&self, index: u32) -> Option<DOMString> {
         self.attribute().and_then(|attr| {
             let attr = attr.r();
             attr.value().tokens().and_then(|tokens| {
@@ -79,7 +79,7 @@ impl<'a> DOMTokenListMethods for &'a DOMTokenList {
     }
 
     // https://dom.spec.whatwg.org/#dom-domtokenlist-contains
-    fn Contains(self, token: DOMString) -> Fallible<bool> {
+    fn Contains(&self, token: DOMString) -> Fallible<bool> {
         self.check_token_exceptions(&token).map(|token| {
             self.attribute().map(|attr| {
                 let attr = attr.r();
@@ -93,7 +93,7 @@ impl<'a> DOMTokenListMethods for &'a DOMTokenList {
     }
 
     // https://dom.spec.whatwg.org/#dom-domtokenlist-add
-    fn Add(self, tokens: Vec<DOMString>) -> ErrorResult {
+    fn Add(&self, tokens: Vec<DOMString>) -> ErrorResult {
         let element = self.element.root();
         let mut atoms = element.r().get_tokenlist_attribute(&self.local_name);
         for token in &tokens {
@@ -107,7 +107,7 @@ impl<'a> DOMTokenListMethods for &'a DOMTokenList {
     }
 
     // https://dom.spec.whatwg.org/#dom-domtokenlist-remove
-    fn Remove(self, tokens: Vec<DOMString>) -> ErrorResult {
+    fn Remove(&self, tokens: Vec<DOMString>) -> ErrorResult {
         let element = self.element.root();
         let mut atoms = element.r().get_tokenlist_attribute(&self.local_name);
         for token in &tokens {
@@ -121,7 +121,7 @@ impl<'a> DOMTokenListMethods for &'a DOMTokenList {
     }
 
     // https://dom.spec.whatwg.org/#dom-domtokenlist-toggle
-    fn Toggle(self, token: DOMString, force: Option<bool>) -> Fallible<bool> {
+    fn Toggle(&self, token: DOMString, force: Option<bool>) -> Fallible<bool> {
         let element = self.element.root();
         let mut atoms = element.r().get_tokenlist_attribute(&self.local_name);
         let token = try!(self.check_token_exceptions(&token));
@@ -146,13 +146,13 @@ impl<'a> DOMTokenListMethods for &'a DOMTokenList {
     }
 
     // https://dom.spec.whatwg.org/#stringification-behavior
-    fn Stringifier(self) -> DOMString {
+    fn Stringifier(&self) -> DOMString {
         let tokenlist = self.element.root().r().get_tokenlist_attribute(&self.local_name);
         str_join(&tokenlist, "\x20")
     }
 
     // check-tidy: no specs after this line
-    fn IndexedGetter(self, index: u32, found: &mut bool) -> Option<DOMString> {
+    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<DOMString> {
         let item = self.Item(index);
         *found = item.is_some();
         item

servo/components/script/dom/element.rs

@@ -1089,24 +1089,24 @@ impl Element {
     }
 }
 
-impl<'a> ElementMethods for &'a Element {
+impl ElementMethods for Element {
     // https://dom.spec.whatwg.org/#dom-element-namespaceuri
-    fn GetNamespaceURI(self) -> Option<DOMString> {
+    fn GetNamespaceURI(&self) -> Option<DOMString> {
         Node::namespace_to_string(self.namespace.clone())
     }
 
     // https://dom.spec.whatwg.org/#dom-element-localname
-    fn LocalName(self) -> DOMString {
+    fn LocalName(&self) -> DOMString {
         (*self.local_name).to_owned()
     }
 
     // https://dom.spec.whatwg.org/#dom-element-prefix
-    fn GetPrefix(self) -> Option<DOMString> {
+    fn GetPrefix(&self) -> Option<DOMString> {
         self.prefix.clone()
     }
 
     // https://dom.spec.whatwg.org/#dom-element-tagname
-    fn TagName(self) -> DOMString {
+    fn TagName(&self) -> DOMString {
         let qualified_name = match self.prefix {
             Some(ref prefix) => {
                 Cow::Owned(format!("{}:{}", &**prefix, &*self.local_name))
@@ -1121,32 +1121,32 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://dom.spec.whatwg.org/#dom-element-id
-    fn Id(self) -> DOMString {
+    fn Id(&self) -> DOMString {
         self.get_string_attribute(&atom!("id"))
     }
 
     // https://dom.spec.whatwg.org/#dom-element-id
-    fn SetId(self, id: DOMString) {
+    fn SetId(&self, id: DOMString) {
         self.set_atomic_attribute(&atom!("id"), id);
     }
 
     // https://dom.spec.whatwg.org/#dom-element-classname
-    fn ClassName(self) -> DOMString {
+    fn ClassName(&self) -> DOMString {
         self.get_string_attribute(&atom!("class"))
     }
 
     // https://dom.spec.whatwg.org/#dom-element-classname
-    fn SetClassName(self, class: DOMString) {
+    fn SetClassName(&self, class: DOMString) {
         self.set_tokenlist_attribute(&atom!("class"), class);
     }
 
     // https://dom.spec.whatwg.org/#dom-element-classlist
-    fn ClassList(self) -> Root<DOMTokenList> {
+    fn ClassList(&self) -> Root<DOMTokenList> {
         self.class_list.or_init(|| DOMTokenList::new(self, &atom!("class")))
     }
 
     // https://dom.spec.whatwg.org/#dom-element-attributes
-    fn Attributes(self) -> Root<NamedNodeMap> {
+    fn Attributes(&self) -> Root<NamedNodeMap> {
         self.attr_list.or_init(|| {
             let doc = {
                 let node = NodeCast::from_ref(self);
@@ -1158,13 +1158,13 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://dom.spec.whatwg.org/#dom-element-getattribute
-    fn GetAttribute(self, name: DOMString) -> Option<DOMString> {
+    fn GetAttribute(&self, name: DOMString) -> Option<DOMString> {
         self.get_attribute_by_name(name)
                      .map(|s| s.r().Value())
     }
 
     // https://dom.spec.whatwg.org/#dom-element-getattributens
-    fn GetAttributeNS(self,
+    fn GetAttributeNS(&self,
                       namespace: Option<DOMString>,
                       local_name: DOMString) -> Option<DOMString> {
         let namespace = &namespace_from_domstring(namespace);
@@ -1173,7 +1173,7 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://dom.spec.whatwg.org/#dom-element-setattribute
-    fn SetAttribute(self,
+    fn SetAttribute(&self,
                     name: DOMString,
                     value: DOMString) -> ErrorResult {
         // Step 1.
@@ -1193,7 +1193,7 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://dom.spec.whatwg.org/#dom-element-setattributens
-    fn SetAttributeNS(self,
+    fn SetAttributeNS(&self,
                       namespace: Option<DOMString>,
                       qualified_name: DOMString,
                       value: DOMString) -> ErrorResult {
@@ -1210,13 +1210,13 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://dom.spec.whatwg.org/#dom-element-removeattribute
-    fn RemoveAttribute(self, name: DOMString) {
+    fn RemoveAttribute(&self, name: DOMString) {
         let name = self.parsed_name(name);
         self.remove_attribute_by_name(&name);
     }
 
     // https://dom.spec.whatwg.org/#dom-element-removeattributens
-    fn RemoveAttributeNS(self,
+    fn RemoveAttributeNS(&self,
                          namespace: Option<DOMString>,
                          local_name: DOMString) {
         let namespace = namespace_from_domstring(namespace);
@@ -1225,38 +1225,38 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://dom.spec.whatwg.org/#dom-element-hasattribute
-    fn HasAttribute(self, name: DOMString) -> bool {
+    fn HasAttribute(&self, name: DOMString) -> bool {
         self.GetAttribute(name).is_some()
     }
 
     // https://dom.spec.whatwg.org/#dom-element-hasattributens
-    fn HasAttributeNS(self,
+    fn HasAttributeNS(&self,
                       namespace: Option<DOMString>,
                       local_name: DOMString) -> bool {
         self.GetAttributeNS(namespace, local_name).is_some()
     }
 
     // https://dom.spec.whatwg.org/#dom-element-getelementsbytagname
-    fn GetElementsByTagName(self, localname: DOMString) -> Root<HTMLCollection> {
+    fn GetElementsByTagName(&self, localname: DOMString) -> Root<HTMLCollection> {
         let window = window_from_node(self);
         HTMLCollection::by_tag_name(window.r(), NodeCast::from_ref(self), localname)
     }
 
     // https://dom.spec.whatwg.org/#dom-element-getelementsbytagnamens
-    fn GetElementsByTagNameNS(self, maybe_ns: Option<DOMString>,
+    fn GetElementsByTagNameNS(&self, maybe_ns: Option<DOMString>,
                               localname: DOMString) -> Root<HTMLCollection> {
         let window = window_from_node(self);
         HTMLCollection::by_tag_name_ns(window.r(), NodeCast::from_ref(self), localname, maybe_ns)
     }
 
     // https://dom.spec.whatwg.org/#dom-element-getelementsbyclassname
-    fn GetElementsByClassName(self, classes: DOMString) -> Root<HTMLCollection> {
+    fn GetElementsByClassName(&self, classes: DOMString) -> Root<HTMLCollection> {
         let window = window_from_node(self);
         HTMLCollection::by_class_name(window.r(), NodeCast::from_ref(self), classes)
     }
 
     // https://drafts.csswg.org/cssom-view/#dom-element-getclientrects
-    fn GetClientRects(self) -> Root<DOMRectList> {
+    fn GetClientRects(&self) -> Root<DOMRectList> {
         let win = window_from_node(self);
         let node = NodeCast::from_ref(self);
         let raw_rects = node.get_content_boxes();
@@ -1269,7 +1269,7 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://drafts.csswg.org/cssom-view/#dom-element-getboundingclientrect
-    fn GetBoundingClientRect(self) -> Root<DOMRect> {
+    fn GetBoundingClientRect(&self) -> Root<DOMRect> {
         let win = window_from_node(self);
         let node = NodeCast::from_ref(self);
         let rect = node.get_bounding_content_box();
@@ -1282,37 +1282,37 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://drafts.csswg.org/cssom-view/#dom-element-clienttop
-    fn ClientTop(self) -> i32 {
+    fn ClientTop(&self) -> i32 {
         let node = NodeCast::from_ref(self);
         node.get_client_rect().origin.y
     }
 
     // https://drafts.csswg.org/cssom-view/#dom-element-clientleft
-    fn ClientLeft(self) -> i32 {
+    fn ClientLeft(&self) -> i32 {
         let node = NodeCast::from_ref(self);
         node.get_client_rect().origin.x
     }
 
     // https://drafts.csswg.org/cssom-view/#dom-element-clientwidth
-    fn ClientWidth(self) -> i32 {
+    fn ClientWidth(&self) -> i32 {
         let node = NodeCast::from_ref(self);
         node.get_client_rect().size.width
     }
 
     // https://drafts.csswg.org/cssom-view/#dom-element-clientheight
-    fn ClientHeight(self) -> i32 {
+    fn ClientHeight(&self) -> i32 {
         let node = NodeCast::from_ref(self);
         node.get_client_rect().size.height
     }
 
     // https://dvcs.w3.org/hg/innerhtml/raw-file/tip/index.html#widl-Element-innerHTML
-    fn GetInnerHTML(self) -> Fallible<DOMString> {
+    fn GetInnerHTML(&self) -> Fallible<DOMString> {
         //XXX TODO: XML case
         self.serialize(ChildrenOnly)
     }
 
     // https://dvcs.w3.org/hg/innerhtml/raw-file/tip/index.html#widl-Element-innerHTML
-    fn SetInnerHTML(self, value: DOMString) -> Fallible<()> {
+    fn SetInnerHTML(&self, value: DOMString) -> Fallible<()> {
         let context_node = NodeCast::from_ref(self);
         // Step 1.
         let frag = try!(context_node.parse_fragment(value));
@@ -1322,12 +1322,12 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://dvcs.w3.org/hg/innerhtml/raw-file/tip/index.html#widl-Element-outerHTML
-    fn GetOuterHTML(self) -> Fallible<DOMString> {
+    fn GetOuterHTML(&self) -> Fallible<DOMString> {
         self.serialize(IncludeNode)
     }
 
     // https://dvcs.w3.org/hg/innerhtml/raw-file/tip/index.html#widl-Element-outerHTML
-    fn SetOuterHTML(self, value: DOMString) -> Fallible<()> {
+    fn SetOuterHTML(&self, value: DOMString) -> Fallible<()> {
         let context_document = document_from_node(self);
         let context_node = NodeCast::from_ref(self);
         // Step 1.
@@ -1362,83 +1362,83 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://dom.spec.whatwg.org/#dom-nondocumenttypechildnode-previouselementsibling
-    fn GetPreviousElementSibling(self) -> Option<Root<Element>> {
+    fn GetPreviousElementSibling(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).preceding_siblings()
                                 .filter_map(ElementCast::to_root).next()
     }
 
     // https://dom.spec.whatwg.org/#dom-nondocumenttypechildnode-nextelementsibling
-    fn GetNextElementSibling(self) -> Option<Root<Element>> {
+    fn GetNextElementSibling(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).following_siblings()
                                 .filter_map(ElementCast::to_root).next()
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-children
-    fn Children(self) -> Root<HTMLCollection> {
+    fn Children(&self) -> Root<HTMLCollection> {
         let window = window_from_node(self);
         HTMLCollection::children(window.r(), NodeCast::from_ref(self))
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-firstelementchild
-    fn GetFirstElementChild(self) -> Option<Root<Element>> {
+    fn GetFirstElementChild(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).child_elements().next()
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-lastelementchild
-    fn GetLastElementChild(self) -> Option<Root<Element>> {
+    fn GetLastElementChild(&self) -> Option<Root<Element>> {
         NodeCast::from_ref(self).rev_children().filter_map(ElementCast::to_root).next()
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-childelementcount
-    fn ChildElementCount(self) -> u32 {
+    fn ChildElementCount(&self) -> u32 {
         NodeCast::from_ref(self).child_elements().count() as u32
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-prepend
-    fn Prepend(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn Prepend(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).prepend(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-append
-    fn Append(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn Append(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).append(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-queryselector
-    fn QuerySelector(self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
+    fn QuerySelector(&self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
         let root = NodeCast::from_ref(self);
         root.query_selector(selectors)
     }
 
     // https://dom.spec.whatwg.org/#dom-parentnode-queryselectorall
-    fn QuerySelectorAll(self, selectors: DOMString) -> Fallible<Root<NodeList>> {
+    fn QuerySelectorAll(&self, selectors: DOMString) -> Fallible<Root<NodeList>> {
         let root = NodeCast::from_ref(self);
         root.query_selector_all(selectors)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-before
-    fn Before(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn Before(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).before(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-after
-    fn After(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn After(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).after(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-replacewith
-    fn ReplaceWith(self, nodes: Vec<NodeOrString>) -> ErrorResult {
+    fn ReplaceWith(&self, nodes: Vec<NodeOrString>) -> ErrorResult {
         NodeCast::from_ref(self).replace_with(nodes)
     }
 
     // https://dom.spec.whatwg.org/#dom-childnode-remove
-    fn Remove(self) {
+    fn Remove(&self) {
         let node = NodeCast::from_ref(self);
         node.remove_self();
     }
 
     // https://dom.spec.whatwg.org/#dom-element-matches
-    fn Matches(self, selectors: DOMString) -> Fallible<bool> {
+    fn Matches(&self, selectors: DOMString) -> Fallible<bool> {
         match parse_author_origin_selector_list_from_str(&selectors) {
             Err(()) => Err(Syntax),
             Ok(ref selectors) => {
@@ -1448,7 +1448,7 @@ impl<'a> ElementMethods for &'a Element {
     }
 
     // https://dom.spec.whatwg.org/#dom-element-closest
-    fn Closest(self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
+    fn Closest(&self, selectors: DOMString) -> Fallible<Option<Root<Element>>> {
         match parse_author_origin_selector_list_from_str(&selectors) {
             Err(()) => Err(Syntax),
             Ok(ref selectors) => {

servo/components/script/dom/errorevent.rs

@@ -114,29 +114,29 @@ impl ErrorEvent {
 
 }
 
-impl<'a> ErrorEventMethods for &'a ErrorEvent {
+impl ErrorEventMethods for ErrorEvent {
     // https://html.spec.whatwg.org/multipage/#dom-errorevent-lineno
-    fn Lineno(self) -> u32 {
+    fn Lineno(&self) -> u32 {
         self.lineno.get()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-errorevent-colno
-    fn Colno(self) -> u32 {
+    fn Colno(&self) -> u32 {
         self.colno.get()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-errorevent-message
-    fn Message(self) -> DOMString {
+    fn Message(&self) -> DOMString {
         self.message.borrow().clone()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-errorevent-filename
-    fn Filename(self) -> DOMString {
+    fn Filename(&self) -> DOMString {
         self.filename.borrow().clone()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-errorevent-error
-    fn Error(self, _cx: *mut JSContext) -> JSVal {
+    fn Error(&self, _cx: *mut JSContext) -> JSVal {
         self.error.get()
     }
 

servo/components/script/dom/event.rs

@@ -172,67 +172,67 @@ impl Event {
     }
 }
 
-impl<'a> EventMethods for &'a Event {
+impl EventMethods for Event {
     // https://dom.spec.whatwg.org/#dom-event-eventphase
-    fn EventPhase(self) -> u16 {
+    fn EventPhase(&self) -> u16 {
         self.phase.get() as u16
     }
 
     // https://dom.spec.whatwg.org/#dom-event-type
-    fn Type(self) -> DOMString {
+    fn Type(&self) -> DOMString {
         self.type_.borrow().clone()
     }
 
     // https://dom.spec.whatwg.org/#dom-event-target
-    fn GetTarget(self) -> Option<Root<EventTarget>> {
+    fn GetTarget(&self) -> Option<Root<EventTarget>> {
         self.target.get().map(Root::from_rooted)
     }
 
     // https://dom.spec.whatwg.org/#dom-event-currenttarget
-    fn GetCurrentTarget(self) -> Option<Root<EventTarget>> {
+    fn GetCurrentTarget(&self) -> Option<Root<EventTarget>> {
         self.current_target.get().map(Root::from_rooted)
     }
 
     // https://dom.spec.whatwg.org/#dom-event-defaultprevented
-    fn DefaultPrevented(self) -> bool {
+    fn DefaultPrevented(&self) -> bool {
         self.canceled.get()
     }
 
     // https://dom.spec.whatwg.org/#dom-event-preventdefault
-    fn PreventDefault(self) {
+    fn PreventDefault(&self) {
         if self.cancelable.get() {
             self.canceled.set(true)
         }
     }
 
     // https://dom.spec.whatwg.org/#dom-event-stoppropagation
-    fn StopPropagation(self) {
+    fn StopPropagation(&self) {
         self.stop_propagation.set(true);
     }
 
     // https://dom.spec.whatwg.org/#dom-event-stopimmediatepropagation
-    fn StopImmediatePropagation(self) {
+    fn StopImmediatePropagation(&self) {
         self.stop_immediate.set(true);
         self.stop_propagation.set(true);
     }
 
     // https://dom.spec.whatwg.org/#dom-event-bubbles
-    fn Bubbles(self) -> bool {
+    fn Bubbles(&self) -> bool {
         self.bubbles.get()
     }
 
     // https://dom.spec.whatwg.org/#dom-event-cancelable
-    fn Cancelable(self) -> bool {
+    fn Cancelable(&self) -> bool {
         self.cancelable.get()
     }
 
     // https://dom.spec.whatwg.org/#dom-event-timestamp
-    fn TimeStamp(self) -> u64 {
+    fn TimeStamp(&self) -> u64 {
         self.timestamp
     }
 
     // https://dom.spec.whatwg.org/#dom-event-initevent
-    fn InitEvent(self,
+    fn InitEvent(&self,
                  type_: DOMString,
                  bubbles: bool,
                  cancelable: bool) {
@@ -252,7 +252,7 @@ impl<'a> EventMethods for &'a Event {
     }
 
     // https://dom.spec.whatwg.org/#dom-event-istrusted
-    fn IsTrusted(self) -> bool {
+    fn IsTrusted(&self) -> bool {
         self.trusted.get()
     }
 }

servo/components/script/dom/eventtarget.rs

@@ -284,9 +284,9 @@ impl EventTarget {
     }
 }
 
-impl<'a> EventTargetMethods for &'a EventTarget {
+impl EventTargetMethods for EventTarget {
     // https://dom.spec.whatwg.org/#dom-eventtarget-addeventlistener
-    fn AddEventListener(self,
+    fn AddEventListener(&self,
                         ty: DOMString,
                         listener: Option<Rc<EventListener>>,
                         capture: bool) {
@@ -312,7 +312,7 @@ impl<'a> EventTargetMethods for &'a EventTarget {
     }
 
     // https://dom.spec.whatwg.org/#dom-eventtarget-removeeventlistener
-    fn RemoveEventListener(self,
+    fn RemoveEventListener(&self,
                            ty: DOMString,
                            listener: Option<Rc<EventListener>>,
                            capture: bool) {
@@ -336,7 +336,7 @@ impl<'a> EventTargetMethods for &'a EventTarget {
     }
 
     // https://dom.spec.whatwg.org/#dom-eventtarget-dispatchevent
-    fn DispatchEvent(self, event: &Event) -> Fallible<bool> {
+    fn DispatchEvent(&self, event: &Event) -> Fallible<bool> {
         if event.dispatching() || !event.initialized() {
             return Err(InvalidState);
         }

servo/components/script/dom/file.rs

@@ -39,9 +39,9 @@ impl File {
     }
 }
 
-impl<'a> FileMethods for &'a File {
+impl FileMethods for File {
     // https://w3c.github.io/FileAPI/#dfn-name
-    fn Name(self) -> DOMString {
+    fn Name(&self) -> DOMString {
         self.name.clone()
     }
 }

servo/components/script/dom/filelist.rs

@@ -30,19 +30,19 @@ impl FileList {
     }
 }
 
-impl<'a> FileListMethods for &'a FileList {
+impl FileListMethods for FileList {
     // https://w3c.github.io/FileAPI/#dfn-length
-    fn Length(self) -> u32 {
+    fn Length(&self) -> u32 {
         self.list.len() as u32
     }
 
     // https://w3c.github.io/FileAPI/#dfn-item
-    fn Item(self, index: u32) -> Option<Root<File>> {
+    fn Item(&self, index: u32) -> Option<Root<File>> {
         Some(self.list[index as usize].root())
     }
 
     // check-tidy: no specs after this line
-    fn IndexedGetter(self, index: u32, found: &mut bool) -> Option<Root<File>> {
+    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<Root<File>> {
         let item = self.Item(index);
         *found = item.is_some();
         item

servo/components/script/dom/filereader.rs

@@ -251,7 +251,7 @@ impl FileReader {
     }
 }
 
-impl<'a> FileReaderMethods for &'a FileReader {
+impl FileReaderMethods for FileReader {
     event_handler!(loadstart, GetOnloadstart, SetOnloadstart);
     event_handler!(progress, GetOnprogress, SetOnprogress);
     event_handler!(load, GetOnload, SetOnload);
@@ -261,17 +261,17 @@ impl<'a> FileReaderMethods for &'a FileReader {
 
     //TODO https://w3c.github.io/FileAPI/#dfn-readAsArrayBuffer
     // https://w3c.github.io/FileAPI/#dfn-readAsDataURL
-    fn ReadAsDataURL(self, blob: &Blob) -> ErrorResult {
+    fn ReadAsDataURL(&self, blob: &Blob) -> ErrorResult {
         self.read(FileReaderFunction::ReadAsDataUrl, blob, None)
     }
 
     // https://w3c.github.io/FileAPI/#dfn-readAsText
-    fn ReadAsText(self, blob: &Blob, label: Option<DOMString>) -> ErrorResult {
+    fn ReadAsText(&self, blob: &Blob, label: Option<DOMString>) -> ErrorResult {
         self.read(FileReaderFunction::ReadAsText, blob, label)
     }
 
     // https://w3c.github.io/FileAPI/#dfn-abort
-    fn Abort(self) {
+    fn Abort(&self) {
         // Step 2
         if self.ready_state.get() == FileReaderReadyState::Loading {
             self.change_ready_state(FileReaderReadyState::Done);
@@ -290,17 +290,17 @@ impl<'a> FileReaderMethods for &'a FileReader {
     }
 
     // https://w3c.github.io/FileAPI/#dfn-error
-    fn GetError(self) -> Option<Root<DOMException>> {
+    fn GetError(&self) -> Option<Root<DOMException>> {
         self.error.get().map(|error| error.root())
     }
 
     // https://w3c.github.io/FileAPI/#dfn-result
-    fn GetResult(self) -> Option<DOMString> {
+    fn GetResult(&self) -> Option<DOMString> {
         self.result.borrow().clone()
     }
 
     // https://w3c.github.io/FileAPI/#dfn-readyState
-    fn ReadyState(self) -> u16 {
+    fn ReadyState(&self) -> u16 {
         self.ready_state.get() as u16
     }
 }

servo/components/script/dom/formdata.rs

@@ -57,10 +57,10 @@ impl FormData {
     }
 }
 
-impl<'a> FormDataMethods for &'a FormData {
+impl FormDataMethods for FormData {
     #[allow(unrooted_must_root)]
     // https://xhr.spec.whatwg.org/#dom-formdata-append
-    fn Append(self, name: DOMString, value: &Blob, filename: Option<DOMString>) {
+    fn Append(&self, name: DOMString, value: &Blob, filename: Option<DOMString>) {
         let file = FormDatum::FileData(JS::from_rooted(&self.get_file_from_blob(value, filename)));
         let mut data = self.data.borrow_mut();
         match data.entry(name) {
@@ -72,7 +72,7 @@ impl<'a> FormDataMethods for &'a FormData {
     }
 
     // https://xhr.spec.whatwg.org/#dom-formdata-append
-    fn Append_(self, name: DOMString, value: DOMString) {
+    fn Append_(&self, name: DOMString, value: DOMString) {
         let mut data = self.data.borrow_mut();
         match data.entry(name) {
             Occupied(entry) => entry.into_mut().push(FormDatum::StringData(value)),
@@ -81,13 +81,13 @@ impl<'a> FormDataMethods for &'a FormData {
     }
 
     // https://xhr.spec.whatwg.org/#dom-formdata-delete
-    fn Delete(self, name: DOMString) {
+    fn Delete(&self, name: DOMString) {
         self.data.borrow_mut().remove(&name);
     }
 
     #[allow(unsafe_code)]
     // https://xhr.spec.whatwg.org/#dom-formdata-get
-    fn Get(self, name: DOMString) -> Option<FileOrString> {
+    fn Get(&self, name: DOMString) -> Option<FileOrString> {
         // FIXME(https://github.com/rust-lang/rust/issues/23338)
         let data = self.data.borrow();
         if data.contains_key(&name) {
@@ -103,18 +103,18 @@ impl<'a> FormDataMethods for &'a FormData {
     }
 
     // https://xhr.spec.whatwg.org/#dom-formdata-has
-    fn Has(self, name: DOMString) -> bool {
+    fn Has(&self, name: DOMString) -> bool {
         self.data.borrow().contains_key(&name)
     }
 
     // https://xhr.spec.whatwg.org/#dom-formdata-set
-    fn Set_(self, name: DOMString, value: DOMString) {
+    fn Set_(&self, name: DOMString, value: DOMString) {
         self.data.borrow_mut().insert(name, vec!(FormDatum::StringData(value)));
     }
 
     #[allow(unrooted_must_root)]
     // https://xhr.spec.whatwg.org/#dom-formdata-set
-    fn Set(self, name: DOMString, value: &Blob, filename: Option<DOMString>) {
+    fn Set(&self, name: DOMString, value: &Blob, filename: Option<DOMString>) {
         let file = FormDatum::FileData(JS::from_rooted(&self.get_file_from_blob(value, filename)));
         self.data.borrow_mut().insert(name, vec!(file));
     }

servo/components/script/dom/htmlanchorelement.rs

@@ -79,21 +79,21 @@ impl VirtualMethods for HTMLAnchorElement {
     }
 }
 
-impl<'a> HTMLAnchorElementMethods for &'a HTMLAnchorElement {
+impl HTMLAnchorElementMethods for HTMLAnchorElement {
     // https://html.spec.whatwg.org/multipage/#dom-a-text
-    fn Text(self) -> DOMString {
+    fn Text(&self) -> DOMString {
         let node = NodeCast::from_ref(self);
         node.GetTextContent().unwrap()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-a-text
-    fn SetText(self, value: DOMString) {
+    fn SetText(&self, value: DOMString) {
         let node = NodeCast::from_ref(self);
         node.SetTextContent(Some(value))
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-a-rellist
-    fn RelList(self) -> Root<DOMTokenList> {
+    fn RelList(&self) -> Root<DOMTokenList> {
         self.rel_list.or_init(|| {
             DOMTokenList::new(ElementCast::from_ref(self), &atom!("rel"))
         })

servo/components/script/dom/htmlappletelement.rs

@@ -51,7 +51,7 @@ impl HTMLAppletElement {
     }
 }
 
-impl<'a> HTMLAppletElementMethods for &'a HTMLAppletElement {
+impl HTMLAppletElementMethods for HTMLAppletElement {
     // https://html.spec.whatwg.org/#the-applet-element:dom-applet-name
     make_getter!(Name);
     make_atomic_setter!(SetName, "name");

servo/components/script/dom/htmlareaelement.rs

@@ -66,9 +66,9 @@ impl VirtualMethods for HTMLAreaElement {
     }
 }
 
-impl<'a> HTMLAreaElementMethods for &'a HTMLAreaElement {
+impl HTMLAreaElementMethods for HTMLAreaElement {
     // https://html.spec.whatwg.org/multipage/#dom-area-rellist
-    fn RelList(self) -> Root<DOMTokenList> {
+    fn RelList(&self) -> Root<DOMTokenList> {
         self.rel_list.or_init(|| {
             DOMTokenList::new(ElementCast::from_ref(self), &atom!("rel"))
         })

servo/components/script/dom/htmlbodyelement.rs

@@ -68,19 +68,19 @@ impl HTMLBodyElement {
     }
 }
 
-impl<'a> HTMLBodyElementMethods for &'a HTMLBodyElement {
+impl HTMLBodyElementMethods for HTMLBodyElement {
     // https://html.spec.whatwg.org/multipage#dom-body-bgcolor
     make_getter!(BgColor, "bgcolor");
     make_setter!(SetBgColor, "bgcolor");
 
     // https://html.spec.whatwg.org/multipage/#the-body-element
-    fn GetOnunload(self) -> Option<Rc<EventHandlerNonNull>> {
+    fn GetOnunload(&self) -> Option<Rc<EventHandlerNonNull>> {
         let win = window_from_node(self);
         win.r().GetOnunload()
     }
 
     // https://html.spec.whatwg.org/multipage/#the-body-element
-    fn SetOnunload(self, listener: Option<Rc<EventHandlerNonNull>>) {
+    fn SetOnunload(&self, listener: Option<Rc<EventHandlerNonNull>>) {
         let win = window_from_node(self);
         win.r().SetOnunload(listener)
     }

servo/components/script/dom/htmlbuttonelement.rs

@@ -70,9 +70,9 @@ impl HTMLButtonElement {
     }
 }
 
-impl<'a> HTMLButtonElementMethods for &'a HTMLButtonElement {
+impl HTMLButtonElementMethods for HTMLButtonElement {
     // https://html.spec.whatwg.org/multipage/#dom-cva-validity
-    fn Validity(self) -> Root<ValidityState> {
+    fn Validity(&self) -> Root<ValidityState> {
         let window = window_from_node(self);
         ValidityState::new(window.r())
     }
@@ -84,7 +84,7 @@ impl<'a> HTMLButtonElementMethods for &'a HTMLButtonElement {
     make_bool_setter!(SetDisabled, "disabled");
 
     // https://html.spec.whatwg.org/multipage/#dom-button-type
-    fn Type(self) -> DOMString {
+    fn Type(&self) -> DOMString {
         let elem = ElementCast::from_ref(self);
         let mut ty = elem.get_string_attribute(&atom!("type"));
         ty.make_ascii_lowercase();

servo/components/script/dom/htmlcanvaselement.rs

@@ -205,31 +205,31 @@ impl HTMLCanvasElement {
     }
 }
 
-impl<'a> HTMLCanvasElementMethods for &'a HTMLCanvasElement {
+impl HTMLCanvasElementMethods for HTMLCanvasElement {
     // https://html.spec.whatwg.org/multipage/#dom-canvas-width
-    fn Width(self) -> u32 {
+    fn Width(&self) -> u32 {
         self.width.get()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-canvas-width
-    fn SetWidth(self, width: u32) {
+    fn SetWidth(&self, width: u32) {
         let elem = ElementCast::from_ref(self);
         elem.set_uint_attribute(&atom!("width"), width)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-canvas-height
-    fn Height(self) -> u32 {
+    fn Height(&self) -> u32 {
         self.height.get()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-canvas-height
-    fn SetHeight(self, height: u32) {
+    fn SetHeight(&self, height: u32) {
         let elem = ElementCast::from_ref(self);
         elem.set_uint_attribute(&atom!("height"), height)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-canvas-getcontext
-    fn GetContext(self,
+    fn GetContext(&self,
                   cx: *mut JSContext,
                   id: DOMString,
                   attributes: Vec<HandleValue>)

servo/components/script/dom/htmlcollection.rs

@@ -192,19 +192,19 @@ impl<'a> Iterator for HTMLCollectionElementsIter<'a> {
     }
 }
 
-impl<'a> HTMLCollectionMethods for &'a HTMLCollection {
+impl HTMLCollectionMethods for HTMLCollection {
     // https://dom.spec.whatwg.org/#dom-htmlcollection-length
-    fn Length(self) -> u32 {
+    fn Length(&self) -> u32 {
         self.elements_iter().count() as u32
     }
 
     // https://dom.spec.whatwg.org/#dom-htmlcollection-item
-    fn Item(self, index: u32) -> Option<Root<Element>> {
+    fn Item(&self, index: u32) -> Option<Root<Element>> {
         self.elements_iter().nth(index as usize)
     }
 
     // https://dom.spec.whatwg.org/#dom-htmlcollection-nameditem
-    fn NamedItem(self, key: DOMString) -> Option<Root<Element>> {
+    fn NamedItem(&self, key: DOMString) -> Option<Root<Element>> {
         // Step 1.
         if key.is_empty() {
             return None;
@@ -218,21 +218,21 @@ impl<'a> HTMLCollectionMethods for &'a HTMLCollection {
     }
 
     // https://dom.spec.whatwg.org/#dom-htmlcollection-item
-    fn IndexedGetter(self, index: u32, found: &mut bool) -> Option<Root<Element>> {
+    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<Root<Element>> {
         let maybe_elem = self.Item(index);
         *found = maybe_elem.is_some();
         maybe_elem
     }
 
     // check-tidy: no specs after this line
-    fn NamedGetter(self, name: DOMString, found: &mut bool) -> Option<Root<Element>> {
+    fn NamedGetter(&self, name: DOMString, found: &mut bool) -> Option<Root<Element>> {
         let maybe_elem = self.NamedItem(name);
         *found = maybe_elem.is_some();
         maybe_elem
     }
 
     // https://dom.spec.whatwg.org/#interface-htmlcollection
-    fn SupportedPropertyNames(self) -> Vec<DOMString> {
+    fn SupportedPropertyNames(&self) -> Vec<DOMString> {
         // Step 1
         let mut result = vec![];
 

servo/components/script/dom/htmldatalistelement.rs

@@ -48,9 +48,9 @@ impl HTMLDataListElement {
     }
 }
 
-impl<'a> HTMLDataListElementMethods for &'a HTMLDataListElement {
+impl HTMLDataListElementMethods for HTMLDataListElement {
     // https://html.spec.whatwg.org/multipage/#dom-datalist-options
-    fn Options(self) -> Root<HTMLCollection> {
+    fn Options(&self) -> Root<HTMLCollection> {
         #[derive(JSTraceable, HeapSizeOf)]
         struct HTMLDataListOptionsFilter;
         impl CollectionFilter for HTMLDataListOptionsFilter {

servo/components/script/dom/htmldialogelement.rs

@@ -51,7 +51,7 @@ impl HTMLDialogElement {
     }
 }
 
-impl<'a> HTMLDialogElementMethods for &'a HTMLDialogElement {
+impl HTMLDialogElementMethods for HTMLDialogElement {
     // https://html.spec.whatwg.org/multipage/#dom-dialog-open
     make_bool_getter!(Open);
 
@@ -59,13 +59,13 @@ impl<'a> HTMLDialogElementMethods for &'a HTMLDialogElement {
     make_bool_setter!(SetOpen, "open");
 
     // https://html.spec.whatwg.org/multipage/#dom-dialog-returnvalue
-    fn ReturnValue(self) -> DOMString {
+    fn ReturnValue(&self) -> DOMString {
         let return_value = self.return_value.borrow();
         return_value.clone()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-dialog-returnvalue
-    fn SetReturnValue(self, return_value: DOMString) {
+    fn SetReturnValue(&self, return_value: DOMString) {
         *self.return_value.borrow_mut() = return_value;
     }
 }

servo/components/script/dom/htmlelement.rs

@@ -124,9 +124,9 @@ impl HTMLElement {
     }
 }
 
-impl<'a> HTMLElementMethods for &'a HTMLElement {
+impl HTMLElementMethods for HTMLElement {
     // https://html.spec.whatwg.org/multipage/#the-style-attribute
-    fn Style(self) -> Root<CSSStyleDeclaration> {
+    fn Style(&self) -> Root<CSSStyleDeclaration> {
         self.style_decl.or_init(|| {
             let global = window_from_node(self);
             CSSStyleDeclaration::new(global.r(), ElementCast::from_ref(self), None, CSSModificationAccess::ReadWrite)
@@ -146,12 +146,12 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     global_event_handlers!(NoOnload);
 
     // https://html.spec.whatwg.org/multipage/#dom-dataset
-    fn Dataset(self) -> Root<DOMStringMap> {
+    fn Dataset(&self) -> Root<DOMStringMap> {
         self.dataset.or_init(|| DOMStringMap::new(self))
     }
 
     // https://html.spec.whatwg.org/multipage/#handler-onload
-    fn GetOnload(self) -> Option<Rc<EventHandlerNonNull>> {
+    fn GetOnload(&self) -> Option<Rc<EventHandlerNonNull>> {
         if self.is_body_or_frameset() {
             let win = window_from_node(self);
             win.r().GetOnload()
@@ -162,7 +162,7 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#handler-onload
-    fn SetOnload(self, listener: Option<Rc<EventHandlerNonNull>>) {
+    fn SetOnload(&self, listener: Option<Rc<EventHandlerNonNull>>) {
         if self.is_body_or_frameset() {
             let win = window_from_node(self);
             win.r().SetOnload(listener)
@@ -173,7 +173,7 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-click
-    fn Click(self) {
+    fn Click(&self) {
         let maybe_input: Option<&HTMLInputElement> = HTMLInputElementCast::to_ref(self);
         if let Some(i) = maybe_input {
             if i.Disabled() {
@@ -186,7 +186,7 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-focus
-    fn Focus(self) {
+    fn Focus(&self) {
         // TODO: Mark the element as locked for focus and run the focusing steps.
         // https://html.spec.whatwg.org/multipage/#focusing-steps
         let element = ElementCast::from_ref(self);
@@ -198,7 +198,7 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-blur
-    fn Blur(self) {
+    fn Blur(&self) {
         // TODO: Run the unfocusing steps.
         let node = NodeCast::from_ref(self);
         if !node.get_focus_state() {
@@ -212,7 +212,7 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     }
 
     // https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
-    fn GetOffsetParent(self) -> Option<Root<Element>> {
+    fn GetOffsetParent(&self) -> Option<Root<Element>> {
         if self.is_htmlbodyelement() || self.is_htmlhtmlelement() {
             return None;
         }
@@ -225,7 +225,7 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     }
 
     // https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
-    fn OffsetTop(self) -> i32 {
+    fn OffsetTop(&self) -> i32 {
         if self.is_htmlbodyelement() {
             return 0;
         }
@@ -238,7 +238,7 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     }
 
     // https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
-    fn OffsetLeft(self) -> i32 {
+    fn OffsetLeft(&self) -> i32 {
         if self.is_htmlbodyelement() {
             return 0;
         }
@@ -251,7 +251,7 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     }
 
     // https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
-    fn OffsetWidth(self) -> i32 {
+    fn OffsetWidth(&self) -> i32 {
         let node = NodeCast::from_ref(self);
         let window = window_from_node(self);
         let (_, rect) = window.offset_parent_query(node.to_trusted_node_address());
@@ -260,7 +260,7 @@ impl<'a> HTMLElementMethods for &'a HTMLElement {
     }
 
     // https://drafts.csswg.org/cssom-view/#extensions-to-the-htmlelement-interface
-    fn OffsetHeight(self) -> i32 {
+    fn OffsetHeight(&self) -> i32 {
         let node = NodeCast::from_ref(self);
         let window = window_from_node(self);
         let (_, rect) = window.offset_parent_query(node.to_trusted_node_address());

servo/components/script/dom/htmlfieldsetelement.rs

@@ -51,9 +51,9 @@ impl HTMLFieldSetElement {
     }
 }
 
-impl<'a> HTMLFieldSetElementMethods for &'a HTMLFieldSetElement {
+impl HTMLFieldSetElementMethods for HTMLFieldSetElement {
     // https://www.whatwg.org/html/#dom-fieldset-elements
-    fn Elements(self) -> Root<HTMLCollection> {
+    fn Elements(&self) -> Root<HTMLCollection> {
         #[derive(JSTraceable, HeapSizeOf)]
         struct ElementsFilter;
         impl CollectionFilter for ElementsFilter {
@@ -70,7 +70,7 @@ impl<'a> HTMLFieldSetElementMethods for &'a HTMLFieldSetElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-cva-validity
-    fn Validity(self) -> Root<ValidityState> {
+    fn Validity(&self) -> Root<ValidityState> {
         let window = window_from_node(self);
         ValidityState::new(window.r())
     }

servo/components/script/dom/htmlfontelement.rs

@@ -49,7 +49,7 @@ impl HTMLFontElement {
     }
 }
 
-impl<'a> HTMLFontElementMethods for &'a HTMLFontElement {
+impl HTMLFontElementMethods for HTMLFontElement {
     make_getter!(Color, "color");
     make_setter!(SetColor, "color");
 }

servo/components/script/dom/htmlformelement.rs

@@ -79,7 +79,7 @@ impl HTMLFormElement {
     }
 }
 
-impl<'a> HTMLFormElementMethods for &'a HTMLFormElement {
+impl HTMLFormElementMethods for HTMLFormElement {
     // https://html.spec.whatwg.org/multipage/#dom-form-acceptcharset
     make_getter!(AcceptCharset, "accept-charset");
 
@@ -105,12 +105,12 @@ impl<'a> HTMLFormElementMethods for &'a HTMLFormElement {
     make_setter!(SetEnctype, "enctype");
 
     // https://html.spec.whatwg.org/multipage/#dom-fs-encoding
-    fn Encoding(self) -> DOMString {
+    fn Encoding(&self) -> DOMString {
         self.Enctype()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-fs-encoding
-    fn SetEncoding(self, value: DOMString) {
+    fn SetEncoding(&self, value: DOMString) {
         self.SetEnctype(value)
     }
 
@@ -137,12 +137,12 @@ impl<'a> HTMLFormElementMethods for &'a HTMLFormElement {
     make_setter!(SetTarget, "target");
 
     // https://html.spec.whatwg.org/multipage/#the-form-element:concept-form-submit
-    fn Submit(self) {
+    fn Submit(&self) {
         self.submit(SubmittedFrom::FromFormSubmitMethod, FormSubmitter::FormElement(self));
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-form-reset
-    fn Reset(self) {
+    fn Reset(&self) {
         self.reset(ResetFrom::FromFormResetMethod);
     }
 }

servo/components/script/dom/htmliframeelement.rs

@@ -238,33 +238,33 @@ pub fn Navigate(iframe: &HTMLIFrameElement, direction: NavigationDirection) -> F
     }
 }
 
-impl<'a> HTMLIFrameElementMethods for &'a HTMLIFrameElement {
+impl HTMLIFrameElementMethods for HTMLIFrameElement {
     // https://html.spec.whatwg.org/multipage/#dom-iframe-src
-    fn Src(self) -> DOMString {
+    fn Src(&self) -> DOMString {
         let element = ElementCast::from_ref(self);
         element.get_string_attribute(&atom!("src"))
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-iframe-src
-    fn SetSrc(self, src: DOMString) {
+    fn SetSrc(&self, src: DOMString) {
         let element = ElementCast::from_ref(self);
         element.set_url_attribute(&atom!("src"), src)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-iframe-sandbox
-    fn Sandbox(self) -> DOMString {
+    fn Sandbox(&self) -> DOMString {
         let element = ElementCast::from_ref(self);
         element.get_string_attribute(&atom!("sandbox"))
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-iframe-sandbox
-    fn SetSandbox(self, sandbox: DOMString) {
+    fn SetSandbox(&self, sandbox: DOMString) {
         let element = ElementCast::from_ref(self);
         element.set_tokenlist_attribute(&atom!("sandbox"), sandbox);
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-iframe-contentwindow
-    fn GetContentWindow(self) -> Option<Root<Window>> {
+    fn GetContentWindow(&self) -> Option<Root<Window>> {
         self.subpage_id.get().and_then(|subpage_id| {
             let window = window_from_node(self);
             let window = window.r();
@@ -277,7 +277,7 @@ impl<'a> HTMLIFrameElementMethods for &'a HTMLIFrameElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-iframe-contentdocument
-    fn GetContentDocument(self) -> Option<Root<Document>> {
+    fn GetContentDocument(&self) -> Option<Root<Document>> {
         self.GetContentWindow().and_then(|window| {
             let self_url = match self.get_url() {
                 Some(self_url) => self_url,
@@ -301,7 +301,7 @@ impl<'a> HTMLIFrameElementMethods for &'a HTMLIFrameElement {
     // exposing these APIs. See https://github.com/servo/servo/issues/5264.
 
     // https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe#attr-mozbrowser
-    fn Mozbrowser(self) -> bool {
+    fn Mozbrowser(&self) -> bool {
         if opts::experimental_enabled() {
             let element = ElementCast::from_ref(self);
             element.has_attribute(&Atom::from_slice("mozbrowser"))
@@ -311,7 +311,7 @@ impl<'a> HTMLIFrameElementMethods for &'a HTMLIFrameElement {
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe#attr-mozbrowser
-    fn SetMozbrowser(self, value: bool) -> ErrorResult {
+    fn SetMozbrowser(&self, value: bool) -> ErrorResult {
         if opts::experimental_enabled() {
             let element = ElementCast::from_ref(self);
             element.set_bool_attribute(&Atom::from_slice("mozbrowser"), value);
@@ -320,22 +320,22 @@ impl<'a> HTMLIFrameElementMethods for &'a HTMLIFrameElement {
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/goBack
-    fn GoBack(self) -> Fallible<()> {
+    fn GoBack(&self) -> Fallible<()> {
         Navigate(self, NavigationDirection::Back)
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/goForward
-    fn GoForward(self) -> Fallible<()> {
+    fn GoForward(&self) -> Fallible<()> {
         Navigate(self, NavigationDirection::Forward)
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/reload
-    fn Reload(self, _hardReload: bool) -> Fallible<()> {
+    fn Reload(&self, _hardReload: bool) -> Fallible<()> {
         Err(NotSupported)
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/HTMLIFrameElement/stop
-    fn Stop(self) -> Fallible<()> {
+    fn Stop(&self) -> Fallible<()> {
         Err(NotSupported)
     }
 

servo/components/script/dom/htmlimageelement.rs

@@ -197,7 +197,7 @@ impl LayoutHTMLImageElementHelpers for LayoutJS<HTMLImageElement> {
     }
 }
 
-impl<'a> HTMLImageElementMethods for &'a HTMLImageElement {
+impl HTMLImageElementMethods for HTMLImageElement {
     make_getter!(Alt);
 
     make_setter!(SetAlt, "alt");
@@ -213,39 +213,39 @@ impl<'a> HTMLImageElementMethods for &'a HTMLImageElement {
     make_bool_getter!(IsMap);
 
     // https://html.spec.whatwg.org/multipage/#dom-img-ismap
-    fn SetIsMap(self, is_map: bool) {
+    fn SetIsMap(&self, is_map: bool) {
         let element = ElementCast::from_ref(self);
         element.set_string_attribute(&atom!("ismap"), is_map.to_string())
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-img-width
-    fn Width(self) -> u32 {
+    fn Width(&self) -> u32 {
         let node = NodeCast::from_ref(self);
         let rect = node.get_bounding_content_box();
         rect.size.width.to_px() as u32
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-img-width
-    fn SetWidth(self, width: u32) {
+    fn SetWidth(&self, width: u32) {
         let elem = ElementCast::from_ref(self);
         elem.set_uint_attribute(&atom!("width"), width)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-img-height
-    fn Height(self) -> u32 {
+    fn Height(&self) -> u32 {
         let node = NodeCast::from_ref(self);
         let rect = node.get_bounding_content_box();
         rect.size.height.to_px() as u32
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-img-height
-    fn SetHeight(self, height: u32) {
+    fn SetHeight(&self, height: u32) {
         let elem = ElementCast::from_ref(self);
         elem.set_uint_attribute(&atom!("height"), height)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-img-naturalwidth
-    fn NaturalWidth(self) -> u32 {
+    fn NaturalWidth(&self) -> u32 {
         let image = self.image.borrow();
 
         match *image {
@@ -255,7 +255,7 @@ impl<'a> HTMLImageElementMethods for &'a HTMLImageElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-img-naturalheight
-    fn NaturalHeight(self) -> u32 {
+    fn NaturalHeight(&self) -> u32 {
         let image = self.image.borrow();
 
         match *image {
@@ -265,7 +265,7 @@ impl<'a> HTMLImageElementMethods for &'a HTMLImageElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-img-complete
-    fn Complete(self) -> bool {
+    fn Complete(&self) -> bool {
         let image = self.image.borrow();
         image.is_some()
     }

servo/components/script/dom/htmlinputelement.rs

@@ -216,7 +216,7 @@ impl RawLayoutHTMLInputElementHelpers for HTMLInputElement {
     }
 }
 
-impl<'a> HTMLInputElementMethods for &'a HTMLInputElement {
+impl HTMLInputElementMethods for HTMLInputElement {
     // https://www.whatwg.org/html/#dom-fe-disabled
     make_bool_getter!(Disabled);
 
@@ -230,12 +230,12 @@ impl<'a> HTMLInputElementMethods for &'a HTMLInputElement {
     make_bool_setter!(SetDefaultChecked, "checked");
 
     // https://html.spec.whatwg.org/multipage/#dom-input-checked
-    fn Checked(self) -> bool {
+    fn Checked(&self) -> bool {
         self.checked.get()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-input-checked
-    fn SetChecked(self, checked: bool) {
+    fn SetChecked(&self, checked: bool) {
         self.update_checked_state(checked, true);
     }
 
@@ -262,12 +262,12 @@ impl<'a> HTMLInputElementMethods for &'a HTMLInputElement {
     make_setter!(SetType, "type");
 
     // https://html.spec.whatwg.org/multipage/#dom-input-value
-    fn Value(self) -> DOMString {
+    fn Value(&self) -> DOMString {
         self.textinput.borrow().get_content()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-input-value
-    fn SetValue(self, value: DOMString) {
+    fn SetValue(&self, value: DOMString) {
         self.textinput.borrow_mut().set_content(value);
         self.value_changed.set(true);
         self.force_relayout();
@@ -317,12 +317,12 @@ impl<'a> HTMLInputElementMethods for &'a HTMLInputElement {
     make_setter!(SetFormTarget, "formtarget");
 
     // https://html.spec.whatwg.org/multipage/#dom-input-indeterminate
-    fn Indeterminate(self) -> bool {
+    fn Indeterminate(&self) -> bool {
         self.indeterminate.get()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-input-indeterminate
-    fn SetIndeterminate(self, val: bool) {
+    fn SetIndeterminate(&self, val: bool) {
         self.indeterminate.set(val)
     }
 }

servo/components/script/dom/htmllinkelement.rs

@@ -208,7 +208,7 @@ impl HTMLLinkElement {
     }
 }
 
-impl<'a> HTMLLinkElementMethods for &'a HTMLLinkElement {
+impl HTMLLinkElementMethods for HTMLLinkElement {
     make_url_getter!(Href);
     make_setter!(SetHref, "href");
 
@@ -225,7 +225,7 @@ impl<'a> HTMLLinkElementMethods for &'a HTMLLinkElement {
     make_setter!(SetType, "type");
 
     // https://html.spec.whatwg.org/multipage/#dom-link-rellist
-    fn RelList(self) -> Root<DOMTokenList> {
+    fn RelList(&self) -> Root<DOMTokenList> {
         self.rel_list.or_init(|| {
             DOMTokenList::new(ElementCast::from_ref(self), &atom!("rel"))
         })

servo/components/script/dom/htmlmetaelement.rs

@@ -44,7 +44,7 @@ impl HTMLMetaElement {
     }
 }
 
-impl<'a> HTMLMetaElementMethods for &'a HTMLMetaElement {
+impl HTMLMetaElementMethods for HTMLMetaElement {
     // https://html.spec.whatwg.org/multipage/#dom-meta-name
     make_getter!(Name, "name");
 

servo/components/script/dom/htmlobjectelement.rs

@@ -82,9 +82,9 @@ pub fn is_image_data(uri: &str) -> bool {
     TYPES.iter().any(|&type_| uri.starts_with(type_))
 }
 
-impl<'a> HTMLObjectElementMethods for &'a HTMLObjectElement {
+impl HTMLObjectElementMethods for HTMLObjectElement {
     // https://html.spec.whatwg.org/multipage/#dom-cva-validity
-    fn Validity(self) -> Root<ValidityState> {
+    fn Validity(&self) -> Root<ValidityState> {
         let window = window_from_node(self);
         ValidityState::new(window.r())
     }

servo/components/script/dom/htmloptgroupelement.rs

@@ -49,7 +49,7 @@ impl HTMLOptGroupElement {
     }
 }
 
-impl<'a> HTMLOptGroupElementMethods for &'a HTMLOptGroupElement {
+impl HTMLOptGroupElementMethods for HTMLOptGroupElement {
     // https://www.whatwg.org/html#dom-optgroup-disabled
     make_bool_getter!(Disabled);
 

servo/components/script/dom/htmloptionelement.rs

@@ -70,18 +70,18 @@ fn collect_text(node: &&Node, value: &mut DOMString) {
     }
 }
 
-impl<'a> HTMLOptionElementMethods for &'a HTMLOptionElement {
+impl HTMLOptionElementMethods for HTMLOptionElement {
     // https://www.whatwg.org/html/#dom-option-disabled
     make_bool_getter!(Disabled);
 
     // https://www.whatwg.org/html/#dom-option-disabled
-    fn SetDisabled(self, disabled: bool) {
+    fn SetDisabled(&self, disabled: bool) {
         let elem = ElementCast::from_ref(self);
         elem.set_bool_attribute(&atom!("disabled"), disabled)
     }
 
     // https://www.whatwg.org/html/#dom-option-text
-    fn Text(self) -> DOMString {
+    fn Text(&self) -> DOMString {
         let node = NodeCast::from_ref(self);
         let mut content = String::new();
         collect_text(&node, &mut content);
@@ -90,13 +90,13 @@ impl<'a> HTMLOptionElementMethods for &'a HTMLOptionElement {
     }
 
     // https://www.whatwg.org/html/#dom-option-text
-    fn SetText(self, value: DOMString) {
+    fn SetText(&self, value: DOMString) {
         let node = NodeCast::from_ref(self);
         node.SetTextContent(Some(value))
     }
 
     // https://html.spec.whatwg.org/multipage/#attr-option-value
-    fn Value(self) -> DOMString {
+    fn Value(&self) -> DOMString {
         let element = ElementCast::from_ref(self);
         let attr = &atom!("value");
         if element.has_attribute(attr) {
@@ -110,7 +110,7 @@ impl<'a> HTMLOptionElementMethods for &'a HTMLOptionElement {
     make_setter!(SetValue, "value");
 
     // https://html.spec.whatwg.org/multipage/#attr-option-label
-    fn Label(self) -> DOMString {
+    fn Label(&self) -> DOMString {
         let element = ElementCast::from_ref(self);
         let attr = &atom!("label");
         if element.has_attribute(attr) {

servo/components/script/dom/htmloutputelement.rs

@@ -46,9 +46,9 @@ impl HTMLOutputElement {
     }
 }
 
-impl<'a> HTMLOutputElementMethods for &'a HTMLOutputElement {
+impl HTMLOutputElementMethods for HTMLOutputElement {
     // https://html.spec.whatwg.org/multipage/#dom-cva-validity
-    fn Validity(self) -> Root<ValidityState> {
+    fn Validity(&self) -> Root<ValidityState> {
         let window = window_from_node(self);
         ValidityState::new(window.r())
     }

servo/components/script/dom/htmlscriptelement.rs

@@ -572,18 +572,18 @@ impl VirtualMethods for HTMLScriptElement {
     }
 }
 
-impl<'a> HTMLScriptElementMethods for &'a HTMLScriptElement {
+impl HTMLScriptElementMethods for HTMLScriptElement {
     make_url_getter!(Src);
 
     make_setter!(SetSrc, "src");
 
     // https://www.whatwg.org/html/#dom-script-text
-    fn Text(self) -> DOMString {
+    fn Text(&self) -> DOMString {
         Node::collect_text_contents(NodeCast::from_ref(self).children())
     }
 
     // https://www.whatwg.org/html/#dom-script-text
-    fn SetText(self, value: DOMString) {
+    fn SetText(&self, value: DOMString) {
         let node = NodeCast::from_ref(self);
         node.SetTextContent(Some(value))
     }

servo/components/script/dom/htmlselectelement.rs

@@ -57,16 +57,16 @@ impl HTMLSelectElement {
     }
 }
 
-impl<'a> HTMLSelectElementMethods for &'a HTMLSelectElement {
+impl HTMLSelectElementMethods for HTMLSelectElement {
     // https://html.spec.whatwg.org/multipage/#dom-cva-validity
-    fn Validity(self) -> Root<ValidityState> {
+    fn Validity(&self) -> Root<ValidityState> {
         let window = window_from_node(self);
         ValidityState::new(window.r())
     }
 
     // Note: this function currently only exists for test_union.html.
     // https://html.spec.whatwg.org/multipage/#dom-select-add
-    fn Add(self, _element: HTMLOptionElementOrHTMLOptGroupElement, _before: Option<HTMLElementOrLong>) {
+    fn Add(&self, _element: HTMLOptionElementOrHTMLOptGroupElement, _before: Option<HTMLElementOrLong>) {
     }
 
     // https://www.whatwg.org/html/#dom-fe-disabled
@@ -94,7 +94,7 @@ impl<'a> HTMLSelectElementMethods for &'a HTMLSelectElement {
     make_uint_setter!(SetSize, "size", DEFAULT_SELECT_SIZE);
 
     // https://html.spec.whatwg.org/multipage/#dom-select-type
-    fn Type(self) -> DOMString {
+    fn Type(&self) -> DOMString {
         if self.Multiple() {
             "select-multiple".to_owned()
         } else {

servo/components/script/dom/htmltablecellelement.rs

@@ -74,7 +74,7 @@ impl HTMLTableCellElement {
     }
 }
 
-impl<'a> HTMLTableCellElementMethods for &'a HTMLTableCellElement {
+impl HTMLTableCellElementMethods for HTMLTableCellElement {
     // https://html.spec.whatwg.org/multipage/#dom-tdth-colspan
     make_uint_getter!(ColSpan, "colspan", DEFAULT_COLSPAN);
     make_uint_setter!(SetColSpan, "colspan");

servo/components/script/dom/htmltableelement.rs

@@ -66,9 +66,9 @@ impl HTMLTableElement {
     }
 }
 
-impl<'a> HTMLTableElementMethods for &'a HTMLTableElement {
+impl HTMLTableElementMethods for HTMLTableElement {
     // https://html.spec.whatwg.org/multipage/#dom-table-caption
-    fn GetCaption(self) -> Option<Root<HTMLTableCaptionElement>> {
+    fn GetCaption(&self) -> Option<Root<HTMLTableCaptionElement>> {
         let node = NodeCast::from_ref(self);
         node.children()
             .filter_map(|c| {
@@ -78,7 +78,7 @@ impl<'a> HTMLTableElementMethods for &'a HTMLTableElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-table-caption
-    fn SetCaption(self, new_caption: Option<&HTMLTableCaptionElement>) {
+    fn SetCaption(&self, new_caption: Option<&HTMLTableCaptionElement>) {
         let node = NodeCast::from_ref(self);
 
         if let Some(ref caption) = self.GetCaption() {
@@ -92,7 +92,7 @@ impl<'a> HTMLTableElementMethods for &'a HTMLTableElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-table-createcaption
-    fn CreateCaption(self) -> Root<HTMLElement> {
+    fn CreateCaption(&self) -> Root<HTMLElement> {
         let caption = match self.GetCaption() {
             Some(caption) => caption,
             None => {
@@ -107,14 +107,14 @@ impl<'a> HTMLTableElementMethods for &'a HTMLTableElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-table-deletecaption
-    fn DeleteCaption(self) {
+    fn DeleteCaption(&self) {
         if let Some(caption) = self.GetCaption() {
             NodeCast::from_ref(caption.r()).remove_self();
         }
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-table-createtbody
-    fn CreateTBody(self) -> Root<HTMLTableSectionElement> {
+    fn CreateTBody(&self) -> Root<HTMLTableSectionElement> {
         let tbody = HTMLTableSectionElement::new("tbody".to_owned(),
                                                  None,
                                                  document_from_node(self).r());

servo/components/script/dom/htmltextareaelement.rs

@@ -114,7 +114,7 @@ impl HTMLTextAreaElement {
     }
 }
 
-impl<'a> HTMLTextAreaElementMethods for &'a HTMLTextAreaElement {
+impl HTMLTextAreaElementMethods for HTMLTextAreaElement {
     // TODO A few of these attributes have default values and additional
     // constraints
 
@@ -163,18 +163,18 @@ impl<'a> HTMLTextAreaElementMethods for &'a HTMLTextAreaElement {
     make_setter!(SetWrap, "wrap");
 
     // https://html.spec.whatwg.org/multipage/#dom-textarea-type
-    fn Type(self) -> DOMString {
+    fn Type(&self) -> DOMString {
         "textarea".to_owned()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-textarea-defaultvalue
-    fn DefaultValue(self) -> DOMString {
+    fn DefaultValue(&self) -> DOMString {
         let node = NodeCast::from_ref(self);
         node.GetTextContent().unwrap()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-textarea-defaultvalue
-    fn SetDefaultValue(self, value: DOMString) {
+    fn SetDefaultValue(&self, value: DOMString) {
         let node = NodeCast::from_ref(self);
         node.SetTextContent(Some(value));
 
@@ -186,12 +186,12 @@ impl<'a> HTMLTextAreaElementMethods for &'a HTMLTextAreaElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-textarea-value
-    fn Value(self) -> DOMString {
+    fn Value(&self) -> DOMString {
         self.textinput.borrow().get_content()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-textarea-value
-    fn SetValue(self, value: DOMString) {
+    fn SetValue(&self, value: DOMString) {
         // TODO move the cursor to the end of the field
         self.textinput.borrow_mut().set_content(value);
         self.value_changed.set(true);

servo/components/script/dom/htmltitleelement.rs

@@ -46,9 +46,9 @@ impl HTMLTitleElement {
     }
 }
 
-impl<'a> HTMLTitleElementMethods for &'a HTMLTitleElement {
+impl HTMLTitleElementMethods for HTMLTitleElement {
     // https://www.whatwg.org/html/#dom-title-text
-    fn Text(self) -> DOMString {
+    fn Text(&self) -> DOMString {
         let node = NodeCast::from_ref(self);
         let mut content = String::new();
         for child in node.children() {
@@ -62,7 +62,7 @@ impl<'a> HTMLTitleElementMethods for &'a HTMLTitleElement {
     }
 
     // https://www.whatwg.org/html/#dom-title-text
-    fn SetText(self, value: DOMString) {
+    fn SetText(&self, value: DOMString) {
         let node = NodeCast::from_ref(self);
         node.SetTextContent(Some(value))
     }

servo/components/script/dom/imagedata.rs

@@ -68,19 +68,19 @@ impl ImageData {
     }
 }
 
-impl<'a> ImageDataMethods for &'a ImageData {
+impl ImageDataMethods for ImageData {
     // https://html.spec.whatwg.org/multipage/#dom-imagedata-width
-    fn Width(self) -> u32 {
+    fn Width(&self) -> u32 {
         self.width
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-imagedata-height
-    fn Height(self) -> u32 {
+    fn Height(&self) -> u32 {
         self.height
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-imagedata-data
-    fn Data(self, _: *mut JSContext) -> *mut JSObject {
+    fn Data(&self, _: *mut JSContext) -> *mut JSObject {
         self.data.get()
     }
 }

servo/components/script/dom/keyboardevent.rs

@@ -757,9 +757,9 @@ impl KeyEventProperties {
     }
 }
 
-impl<'a> KeyboardEventMethods for &'a KeyboardEvent {
+impl KeyboardEventMethods for KeyboardEvent {
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-initKeyboardEvent
-    fn InitKeyboardEvent(self,
+    fn InitKeyboardEvent(&self,
                          typeArg: DOMString,
                          canBubbleArg: bool,
                          cancelableArg: bool,
@@ -782,52 +782,52 @@ impl<'a> KeyboardEventMethods for &'a KeyboardEvent {
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-key
-    fn Key(self) -> DOMString {
+    fn Key(&self) -> DOMString {
         self.key_string.borrow().clone()
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-code
-    fn Code(self) -> DOMString {
+    fn Code(&self) -> DOMString {
         self.code.borrow().clone()
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-location
-    fn Location(self) -> u32 {
+    fn Location(&self) -> u32 {
         self.location.get()
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-ctrlKey
-    fn CtrlKey(self) -> bool {
+    fn CtrlKey(&self) -> bool {
         self.ctrl.get()
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-shiftKey
-    fn ShiftKey(self) -> bool {
+    fn ShiftKey(&self) -> bool {
         self.shift.get()
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-altKey
-    fn AltKey(self) -> bool {
+    fn AltKey(&self) -> bool {
         self.alt.get()
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-metaKey
-    fn MetaKey(self) -> bool {
+    fn MetaKey(&self) -> bool {
         self.meta.get()
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-repeat
-    fn Repeat(self) -> bool {
+    fn Repeat(&self) -> bool {
         self.repeat.get()
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-isComposing
-    fn IsComposing(self) -> bool {
+    fn IsComposing(&self) -> bool {
         self.is_composing.get()
     }
 
     // https://dvcs.w3.org/hg/dom3events/raw-file/tip/html/DOM3-Events.html#widl-KeyboardEvent-getModifierState
-    fn GetModifierState(self, keyArg: DOMString) -> bool {
+    fn GetModifierState(&self, keyArg: DOMString) -> bool {
         match &*keyArg {
             "Ctrl" => self.CtrlKey(),
             "Alt" => self.AltKey(),
@@ -840,17 +840,17 @@ impl<'a> KeyboardEventMethods for &'a KeyboardEvent {
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-charCode
-    fn CharCode(self) -> u32 {
+    fn CharCode(&self) -> u32 {
         self.char_code.get().unwrap_or(0)
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-keyCode
-    fn KeyCode(self) -> u32 {
+    fn KeyCode(&self) -> u32 {
         self.key_code.get()
     }
 
     // https://w3c.github.io/uievents/#widl-KeyboardEvent-which
-    fn Which(self) -> u32 {
+    fn Which(&self) -> u32 {
         self.char_code.get().unwrap_or(self.KeyCode())
     }
 }

servo/components/script/dom/location.rs

@@ -35,9 +35,9 @@ impl Location {
     }
 }
 
-impl<'a> LocationMethods for &'a Location {
+impl LocationMethods for Location {
     // https://html.spec.whatwg.org/multipage/#dom-location-assign
-    fn Assign(self, url: DOMString) {
+    fn Assign(&self, url: DOMString) {
         let window = self.window.root();
         // TODO: per spec, we should use the _API base URL_ specified by the
         //       _entry settings object_.
@@ -48,57 +48,57 @@ impl<'a> LocationMethods for &'a Location {
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-hash
-    fn Hash(self) -> USVString {
+    fn Hash(&self) -> USVString {
         UrlHelper::Hash(&self.get_url())
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-href
-    fn Href(self) -> USVString {
+    fn Href(&self) -> USVString {
         UrlHelper::Href(&self.get_url())
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-host
-    fn Host(self) -> USVString {
+    fn Host(&self) -> USVString {
         UrlHelper::Host(&self.get_url())
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-hostname
-    fn Hostname(self) -> USVString {
+    fn Hostname(&self) -> USVString {
         UrlHelper::Hostname(&self.get_url())
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-password
-    fn Password(self) -> USVString {
+    fn Password(&self) -> USVString {
         UrlHelper::Password(&self.get_url())
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-pathname
-    fn Pathname(self) -> USVString {
+    fn Pathname(&self) -> USVString {
         UrlHelper::Pathname(&self.get_url())
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-port
-    fn Port(self) -> USVString {
+    fn Port(&self) -> USVString {
         UrlHelper::Port(&self.get_url())
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-protocol
-    fn Protocol(self) -> USVString {
+    fn Protocol(&self) -> USVString {
         UrlHelper::Protocol(&self.get_url())
     }
 
     // https://url.spec.whatwg.org/#URLUtils-stringification-behavior
-    fn Stringifier(self) -> DOMString {
+    fn Stringifier(&self) -> DOMString {
         self.Href().0
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-search
-    fn Search(self) -> USVString {
+    fn Search(&self) -> USVString {
         UrlHelper::Search(&self.get_url())
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-username
-    fn Username(self) -> USVString {
+    fn Username(&self) -> USVString {
         UrlHelper::Username(&self.get_url())
     }
 }

servo/components/script/dom/macros.rs

@@ -5,7 +5,7 @@
 #[macro_export]
 macro_rules! make_getter(
     ( $attr:ident, $htmlname:expr ) => (
-        fn $attr(self) -> DOMString {
+        fn $attr(&self) -> DOMString {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let element = ElementCast::from_ref(self);
@@ -20,7 +20,7 @@ macro_rules! make_getter(
 #[macro_export]
 macro_rules! make_bool_getter(
     ( $attr:ident, $htmlname:expr ) => (
-        fn $attr(self) -> bool {
+        fn $attr(&self) -> bool {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let element = ElementCast::from_ref(self);
@@ -36,7 +36,7 @@ macro_rules! make_bool_getter(
 #[macro_export]
 macro_rules! make_uint_getter(
     ($attr:ident, $htmlname:expr, $default:expr) => (
-        fn $attr(self) -> u32 {
+        fn $attr(&self) -> u32 {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let element = ElementCast::from_ref(self);
@@ -55,7 +55,7 @@ macro_rules! make_uint_getter(
 #[macro_export]
 macro_rules! make_url_getter(
     ( $attr:ident, $htmlname:expr ) => (
-        fn $attr(self) -> DOMString {
+        fn $attr(&self) -> DOMString {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let element = ElementCast::from_ref(self);
@@ -72,7 +72,7 @@ macro_rules! make_url_getter(
 #[macro_export]
 macro_rules! make_url_or_base_getter(
     ( $attr:ident, $htmlname:expr ) => (
-        fn $attr(self) -> DOMString {
+        fn $attr(&self) -> DOMString {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let element = ElementCast::from_ref(self);
@@ -93,7 +93,7 @@ macro_rules! make_url_or_base_getter(
 #[macro_export]
 macro_rules! make_enumerated_getter(
     ( $attr:ident, $htmlname:expr, $default:expr, $(($choices: pat))|+) => (
-        fn $attr(self) -> DOMString {
+        fn $attr(&self) -> DOMString {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use std::ascii::AsciiExt;
             use std::borrow::ToOwned;
@@ -118,7 +118,7 @@ macro_rules! make_enumerated_getter(
 #[macro_export]
 macro_rules! make_setter(
     ( $attr:ident, $htmlname:expr ) => (
-        fn $attr(self, value: DOMString) {
+        fn $attr(&self, value: DOMString) {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let element = ElementCast::from_ref(self);
@@ -131,7 +131,7 @@ macro_rules! make_setter(
 #[macro_export]
 macro_rules! make_bool_setter(
     ( $attr:ident, $htmlname:expr ) => (
-        fn $attr(self, value: bool) {
+        fn $attr(&self, value: bool) {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let element = ElementCast::from_ref(self);
@@ -144,7 +144,7 @@ macro_rules! make_bool_setter(
 #[macro_export]
 macro_rules! make_uint_setter(
     ($attr:ident, $htmlname:expr, $default:expr) => (
-        fn $attr(self, value: u32) {
+        fn $attr(&self, value: u32) {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let value = if value > 2147483647 {
@@ -165,7 +165,7 @@ macro_rules! make_uint_setter(
 #[macro_export]
 macro_rules! make_limited_uint_setter(
     ($attr:ident, $htmlname:expr, $default:expr) => (
-        fn $attr(self, value: u32) -> $crate::dom::bindings::error::ErrorResult {
+        fn $attr(&self, value: u32) -> $crate::dom::bindings::error::ErrorResult {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let value = if value == 0 {
@@ -192,7 +192,7 @@ macro_rules! make_limited_uint_setter(
 #[macro_export]
 macro_rules! make_atomic_setter(
     ( $attr:ident, $htmlname:expr ) => (
-        fn $attr(self, value: DOMString) {
+        fn $attr(&self, value: DOMString) {
             use dom::bindings::codegen::InheritTypes::ElementCast;
             use string_cache::Atom;
             let element = ElementCast::from_ref(self);
@@ -228,12 +228,12 @@ macro_rules! no_jsmanaged_fields(
 /// These are used to generate a event handler which has no special case.
 macro_rules! define_event_handler(
     ($handler: ident, $event_type: ident, $getter: ident, $setter: ident) => (
-        fn $getter(self) -> Option<::std::rc::Rc<$handler>> {
+        fn $getter(&self) -> Option<::std::rc::Rc<$handler>> {
             let eventtarget = EventTargetCast::from_ref(self);
             eventtarget.get_event_handler_common(stringify!($event_type))
         }
 
-        fn $setter(self, listener: Option<::std::rc::Rc<$handler>>) {
+        fn $setter(&self, listener: Option<::std::rc::Rc<$handler>>) {
             let eventtarget = EventTargetCast::from_ref(self);
             eventtarget.set_event_handler_common(stringify!($event_type), listener)
         }

servo/components/script/dom/messageevent.rs

@@ -89,19 +89,19 @@ impl MessageEvent {
     }
 }
 
-impl<'a> MessageEventMethods for &'a MessageEvent {
+impl MessageEventMethods for MessageEvent {
     // https://html.spec.whatwg.org/multipage/#dom-messageevent-data
-    fn Data(self, _cx: *mut JSContext) -> JSVal {
+    fn Data(&self, _cx: *mut JSContext) -> JSVal {
         self.data.get()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-messageevent-origin
-    fn Origin(self) -> DOMString {
+    fn Origin(&self) -> DOMString {
         self.origin.clone()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-messageevent-lasteventid
-    fn LastEventId(self) -> DOMString {
+    fn LastEventId(&self) -> DOMString {
         self.lastEventId.clone()
     }
 }

servo/components/script/dom/mouseevent.rs

@@ -114,54 +114,54 @@ impl MouseEvent {
     }
 }
 
-impl<'a> MouseEventMethods for &'a MouseEvent {
+impl MouseEventMethods for MouseEvent {
     // https://w3c.github.io/uievents/#widl-MouseEvent-screenX
-    fn ScreenX(self) -> i32 {
+    fn ScreenX(&self) -> i32 {
         self.screen_x.get()
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-screenY
-    fn ScreenY(self) -> i32 {
+    fn ScreenY(&self) -> i32 {
         self.screen_y.get()
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-clientX
-    fn ClientX(self) -> i32 {
+    fn ClientX(&self) -> i32 {
         self.client_x.get()
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-clientY
-    fn ClientY(self) -> i32 {
+    fn ClientY(&self) -> i32 {
         self.client_y.get()
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-ctrlKey
-    fn CtrlKey(self) -> bool {
+    fn CtrlKey(&self) -> bool {
         self.ctrl_key.get()
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-shiftKey
-    fn ShiftKey(self) -> bool {
+    fn ShiftKey(&self) -> bool {
         self.shift_key.get()
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-altKey
-    fn AltKey(self) -> bool {
+    fn AltKey(&self) -> bool {
         self.alt_key.get()
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-metaKey
-    fn MetaKey(self) -> bool {
+    fn MetaKey(&self) -> bool {
         self.meta_key.get()
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-button
-    fn Button(self) -> i16 {
+    fn Button(&self) -> i16 {
         self.button.get()
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-relatedTarget
-    fn GetRelatedTarget(self) -> Option<Root<EventTarget>> {
+    fn GetRelatedTarget(&self) -> Option<Root<EventTarget>> {
         self.related_target.get().map(Root::from_rooted)
     }
 
@@ -170,7 +170,7 @@ impl<'a> MouseEventMethods for &'a MouseEvent {
     //  - https://bugzilla.mozilla.org/show_bug.cgi?id=1186125
     // This returns the same result as current gecko.
     // https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/which
-    fn Which(self) -> i32 {
+    fn Which(&self) -> i32 {
         if opts::experimental_enabled() {
             (self.button.get() + 1) as i32
         } else {
@@ -179,7 +179,7 @@ impl<'a> MouseEventMethods for &'a MouseEvent {
     }
 
     // https://w3c.github.io/uievents/#widl-MouseEvent-initMouseEvent
-    fn InitMouseEvent(self,
+    fn InitMouseEvent(&self,
                       typeArg: DOMString,
                       canBubbleArg: bool,
                       cancelableArg: bool,

servo/components/script/dom/namednodemap.rs

@@ -35,9 +35,9 @@ impl NamedNodeMap {
     }
 }
 
-impl<'a> NamedNodeMapMethods for &'a NamedNodeMap {
+impl NamedNodeMapMethods for NamedNodeMap {
     // https://dom.spec.whatwg.org/#dom-namednodemap-length
-    fn Length(self) -> u32 {
+    fn Length(&self) -> u32 {
         let owner = self.owner.root();
         // FIXME(https://github.com/rust-lang/rust/issues/23338)
         let owner = owner.r();
@@ -46,7 +46,7 @@ impl<'a> NamedNodeMapMethods for &'a NamedNodeMap {
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-item
-    fn Item(self, index: u32) -> Option<Root<Attr>> {
+    fn Item(&self, index: u32) -> Option<Root<Attr>> {
         let owner = self.owner.root();
         // FIXME(https://github.com/rust-lang/rust/issues/23338)
         let owner = owner.r();
@@ -55,7 +55,7 @@ impl<'a> NamedNodeMapMethods for &'a NamedNodeMap {
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-getnameditem
-    fn GetNamedItem(self, name: DOMString) -> Option<Root<Attr>> {
+    fn GetNamedItem(&self, name: DOMString) -> Option<Root<Attr>> {
         let owner = self.owner.root();
         // FIXME(https://github.com/rust-lang/rust/issues/23338)
         let owner = owner.r();
@@ -63,7 +63,7 @@ impl<'a> NamedNodeMapMethods for &'a NamedNodeMap {
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-getnameditemns
-    fn GetNamedItemNS(self, namespace: Option<DOMString>, local_name: DOMString)
+    fn GetNamedItemNS(&self, namespace: Option<DOMString>, local_name: DOMString)
                      -> Option<Root<Attr>> {
         let owner = self.owner.root();
         // FIXME(https://github.com/rust-lang/rust/issues/23338)
@@ -73,7 +73,7 @@ impl<'a> NamedNodeMapMethods for &'a NamedNodeMap {
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-removenameditem
-    fn RemoveNamedItem(self, name: DOMString) -> Fallible<Root<Attr>> {
+    fn RemoveNamedItem(&self, name: DOMString) -> Fallible<Root<Attr>> {
         let owner = self.owner.root();
         // FIXME(https://github.com/rust-lang/rust/issues/23338)
         let owner = owner.r();
@@ -82,7 +82,7 @@ impl<'a> NamedNodeMapMethods for &'a NamedNodeMap {
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-removenameditemns
-    fn RemoveNamedItemNS(self, namespace: Option<DOMString>, local_name: DOMString)
+    fn RemoveNamedItemNS(&self, namespace: Option<DOMString>, local_name: DOMString)
                       -> Fallible<Root<Attr>> {
         let owner = self.owner.root();
         // FIXME(https://github.com/rust-lang/rust/issues/23338)
@@ -92,20 +92,20 @@ impl<'a> NamedNodeMapMethods for &'a NamedNodeMap {
     }
 
     // https://dom.spec.whatwg.org/#dom-namednodemap-item
-    fn IndexedGetter(self, index: u32, found: &mut bool) -> Option<Root<Attr>> {
+    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<Root<Attr>> {
         let item = self.Item(index);
         *found = item.is_some();
         item
     }
 
     // check-tidy: no specs after this line
-    fn NamedGetter(self, name: DOMString, found: &mut bool) -> Option<Root<Attr>> {
+    fn NamedGetter(&self, name: DOMString, found: &mut bool) -> Option<Root<Attr>> {
         let item = self.GetNamedItem(name);
         *found = item.is_some();
         item
     }
 
-    fn SupportedPropertyNames(self) -> Vec<DOMString> {
+    fn SupportedPropertyNames(&self) -> Vec<DOMString> {
         // FIXME: unimplemented (https://github.com/servo/servo/issues/7273)
         vec![]
     }

servo/components/script/dom/navigator.rs

@@ -30,39 +30,39 @@ impl Navigator {
     }
 }
 
-impl<'a> NavigatorMethods for &'a Navigator {
+impl NavigatorMethods for Navigator {
     // https://html.spec.whatwg.org/multipage/#dom-navigator-product
-    fn Product(self) -> DOMString {
+    fn Product(&self) -> DOMString {
         navigatorinfo::Product()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-taintenabled
-    fn TaintEnabled(self) -> bool {
+    fn TaintEnabled(&self) -> bool {
         navigatorinfo::TaintEnabled()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-appname
-    fn AppName(self) -> DOMString {
+    fn AppName(&self) -> DOMString {
         navigatorinfo::AppName()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-appcodename
-    fn AppCodeName(self) -> DOMString {
+    fn AppCodeName(&self) -> DOMString {
         navigatorinfo::AppCodeName()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-platform
-    fn Platform(self) -> DOMString {
+    fn Platform(&self) -> DOMString {
         navigatorinfo::Platform()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-useragent
-    fn UserAgent(self) -> DOMString {
+    fn UserAgent(&self) -> DOMString {
         navigatorinfo::UserAgent()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-appversion
-    fn AppVersion(self) -> DOMString {
+    fn AppVersion(&self) -> DOMString {
         navigatorinfo::AppVersion()
     }
 }

servo/components/script/dom/node.rs

@@ -1892,9 +1892,9 @@ impl Node {
     }
 }
 
-impl<'a> NodeMethods for &'a Node {
+impl NodeMethods for Node {
     // https://dom.spec.whatwg.org/#dom-node-nodetype
-    fn NodeType(self) -> u16 {
+    fn NodeType(&self) -> u16 {
         match self.type_id {
             NodeTypeId::CharacterData(CharacterDataTypeId::Text) =>
                 NodeConstants::TEXT_NODE,
@@ -1914,7 +1914,7 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-nodename
-    fn NodeName(self) -> DOMString {
+    fn NodeName(&self) -> DOMString {
         match self.type_id {
             NodeTypeId::Element(..) => {
                 let elem: &Element = ElementCast::to_ref(self).unwrap();
@@ -1937,12 +1937,12 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-baseuri
-    fn BaseURI(self) -> DOMString {
+    fn BaseURI(&self) -> DOMString {
         self.owner_doc().URL()
     }
 
     // https://dom.spec.whatwg.org/#dom-node-ownerdocument
-    fn GetOwnerDocument(self) -> Option<Root<Document>> {
+    fn GetOwnerDocument(&self) -> Option<Root<Document>> {
         match self.type_id {
             NodeTypeId::CharacterData(..) |
             NodeTypeId::Element(..) |
@@ -1953,22 +1953,22 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-parentnode
-    fn GetParentNode(self) -> Option<Root<Node>> {
+    fn GetParentNode(&self) -> Option<Root<Node>> {
         self.parent_node.get().map(Root::from_rooted)
     }
 
     // https://dom.spec.whatwg.org/#dom-node-parentelement
-    fn GetParentElement(self) -> Option<Root<Element>> {
+    fn GetParentElement(&self) -> Option<Root<Element>> {
         self.GetParentNode().and_then(ElementCast::to_root)
     }
 
     // https://dom.spec.whatwg.org/#dom-node-haschildnodes
-    fn HasChildNodes(self) -> bool {
+    fn HasChildNodes(&self) -> bool {
         self.first_child.get().is_some()
     }
 
     // https://dom.spec.whatwg.org/#dom-node-childnodes
-    fn ChildNodes(self) -> Root<NodeList> {
+    fn ChildNodes(&self) -> Root<NodeList> {
         self.child_list.or_init(|| {
             let doc = self.owner_doc();
             let window = doc.r().window();
@@ -1977,39 +1977,39 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-firstchild
-    fn GetFirstChild(self) -> Option<Root<Node>> {
+    fn GetFirstChild(&self) -> Option<Root<Node>> {
         self.first_child.get().map(Root::from_rooted)
     }
 
     // https://dom.spec.whatwg.org/#dom-node-lastchild
-    fn GetLastChild(self) -> Option<Root<Node>> {
+    fn GetLastChild(&self) -> Option<Root<Node>> {
         self.last_child.get().map(Root::from_rooted)
     }
 
     // https://dom.spec.whatwg.org/#dom-node-previoussibling
-    fn GetPreviousSibling(self) -> Option<Root<Node>> {
+    fn GetPreviousSibling(&self) -> Option<Root<Node>> {
         self.prev_sibling.get().map(Root::from_rooted)
     }
 
     // https://dom.spec.whatwg.org/#dom-node-nextsibling
-    fn GetNextSibling(self) -> Option<Root<Node>> {
+    fn GetNextSibling(&self) -> Option<Root<Node>> {
         self.next_sibling.get().map(Root::from_rooted)
     }
 
     // https://dom.spec.whatwg.org/#dom-node-nodevalue
-    fn GetNodeValue(self) -> Option<DOMString> {
+    fn GetNodeValue(&self) -> Option<DOMString> {
         CharacterDataCast::to_ref(self).map(|c| c.Data())
     }
 
     // https://dom.spec.whatwg.org/#dom-node-nodevalue
-    fn SetNodeValue(self, val: Option<DOMString>) {
+    fn SetNodeValue(&self, val: Option<DOMString>) {
         if let NodeTypeId::CharacterData(..) = self.type_id {
             self.SetTextContent(val)
         }
     }
 
     // https://dom.spec.whatwg.org/#dom-node-textcontent
-    fn GetTextContent(self) -> Option<DOMString> {
+    fn GetTextContent(&self) -> Option<DOMString> {
         match self.type_id {
             NodeTypeId::DocumentFragment |
             NodeTypeId::Element(..) => {
@@ -2028,7 +2028,7 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-textcontent
-    fn SetTextContent(self, value: Option<DOMString>) {
+    fn SetTextContent(&self, value: Option<DOMString>) {
         let value = value.unwrap_or(String::new());
         match self.type_id {
             NodeTypeId::DocumentFragment |
@@ -2058,17 +2058,17 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-insertbefore
-    fn InsertBefore(self, node: &Node, child: Option<&Node>) -> Fallible<Root<Node>> {
+    fn InsertBefore(&self, node: &Node, child: Option<&Node>) -> Fallible<Root<Node>> {
         Node::pre_insert(node, self, child)
     }
 
     // https://dom.spec.whatwg.org/#dom-node-appendchild
-    fn AppendChild(self, node: &Node) -> Fallible<Root<Node>> {
+    fn AppendChild(&self, node: &Node) -> Fallible<Root<Node>> {
         Node::pre_insert(node, self, None)
     }
 
     // https://dom.spec.whatwg.org/#concept-node-replace
-    fn ReplaceChild(self, node: &Node, child: &Node) -> Fallible<Root<Node>> {
+    fn ReplaceChild(&self, node: &Node, child: &Node) -> Fallible<Root<Node>> {
 
         // Step 1.
         match self.type_id {
@@ -2204,13 +2204,13 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-removechild
-    fn RemoveChild(self, node: &Node)
+    fn RemoveChild(&self, node: &Node)
                        -> Fallible<Root<Node>> {
         Node::pre_remove(node, self)
     }
 
     // https://dom.spec.whatwg.org/#dom-node-normalize
-    fn Normalize(self) {
+    fn Normalize(&self) {
         let mut prev_text: Option<Root<Text>> = None;
         for child in self.children() {
             match TextCast::to_ref(child.r()) {
@@ -2239,7 +2239,7 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-clonenode
-    fn CloneNode(self, deep: bool) -> Root<Node> {
+    fn CloneNode(&self, deep: bool) -> Root<Node> {
         Node::clone(self, None, if deep {
             CloneChildrenFlag::CloneChildren
         } else {
@@ -2248,7 +2248,7 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-isequalnode
-    fn IsEqualNode(self, maybe_node: Option<&Node>) -> bool {
+    fn IsEqualNode(&self, maybe_node: Option<&Node>) -> bool {
         fn is_equal_doctype(node: &Node, other: &Node) -> bool {
             let doctype: &DocumentType = DocumentTypeCast::to_ref(node).unwrap();
             let other_doctype: &DocumentType = DocumentTypeCast::to_ref(other).unwrap();
@@ -2333,7 +2333,7 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-comparedocumentposition
-    fn CompareDocumentPosition(self, other: &Node) -> u16 {
+    fn CompareDocumentPosition(&self, other: &Node) -> u16 {
         if self == other {
             // step 2.
             0
@@ -2387,7 +2387,7 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-contains
-    fn Contains(self, maybe_other: Option<&Node>) -> bool {
+    fn Contains(&self, maybe_other: Option<&Node>) -> bool {
         match maybe_other {
             None => false,
             Some(other) => self.is_inclusive_ancestor_of(other)
@@ -2395,7 +2395,7 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-lookupprefix
-    fn LookupPrefix(self, namespace: Option<DOMString>) -> Option<DOMString> {
+    fn LookupPrefix(&self, namespace: Option<DOMString>) -> Option<DOMString> {
         let namespace = namespace_from_domstring(namespace);
 
         // Step 1.
@@ -2421,7 +2421,7 @@ impl<'a> NodeMethods for &'a Node {
     }
 
     // https://dom.spec.whatwg.org/#dom-node-lookupnamespaceuri
-    fn LookupNamespaceURI(self, prefix: Option<DOMString>) -> Option<DOMString> {
+    fn LookupNamespaceURI(&self, prefix: Option<DOMString>) -> Option<DOMString> {
         // Step 1.
         let prefix = match prefix {
             Some(ref p) if p.is_empty() => None,
@@ -2433,7 +2433,7 @@ impl<'a> NodeMethods for &'a Node {
      }
 
     // https://dom.spec.whatwg.org/#dom-node-isdefaultnamespace
-    fn IsDefaultNamespace(self, namespace: Option<DOMString>) -> bool {
+    fn IsDefaultNamespace(&self, namespace: Option<DOMString>) -> bool {
         // Step 1.
         let namespace = namespace_from_domstring(namespace);
         // Steps 2 and 3.

servo/components/script/dom/nodeiterator.rs

@@ -66,19 +66,19 @@ impl NodeIterator {
     }
 }
 
-impl<'a> NodeIteratorMethods for &'a NodeIterator {
+impl NodeIteratorMethods for NodeIterator {
     // https://dom.spec.whatwg.org/#dom-nodeiterator-root
-    fn Root(self) -> Root<Node> {
+    fn Root(&self) -> Root<Node> {
         self.root_node.root()
     }
 
     // https://dom.spec.whatwg.org/#dom-nodeiterator-whattoshow
-    fn WhatToShow(self) -> u32 {
+    fn WhatToShow(&self) -> u32 {
         self.what_to_show
     }
 
     // https://dom.spec.whatwg.org/#dom-nodeiterator-filter
-    fn GetFilter(self) -> Option<Rc<NodeFilter>> {
+    fn GetFilter(&self) -> Option<Rc<NodeFilter>> {
         match self.filter {
             Filter::None => None,
             Filter::Callback(ref nf) => Some((*nf).clone()),
@@ -87,17 +87,17 @@ impl<'a> NodeIteratorMethods for &'a NodeIterator {
     }
 
     // https://dom.spec.whatwg.org/#dom-nodeiterator-referencenode
-    fn ReferenceNode(self) -> Root<Node> {
+    fn ReferenceNode(&self) -> Root<Node> {
         self.reference_node.get().root()
     }
 
     // https://dom.spec.whatwg.org/#dom-nodeiterator-pointerbeforereferencenode
-    fn PointerBeforeReferenceNode(self) -> bool {
+    fn PointerBeforeReferenceNode(&self) -> bool {
         self.pointer_before_reference_node.get()
     }
 
     // https://dom.spec.whatwg.org/#dom-nodeiterator-nextnode
-    fn NextNode(self) -> Fallible<Option<Root<Node>>> {
+    fn NextNode(&self) -> Fallible<Option<Root<Node>>> {
         // https://dom.spec.whatwg.org/#concept-NodeIterator-traverse
         // Step 1.
         let node = self.reference_node.get().root();
@@ -141,7 +141,7 @@ impl<'a> NodeIteratorMethods for &'a NodeIterator {
     }
 
     // https://dom.spec.whatwg.org/#dom-nodeiterator-previousnode
-    fn PreviousNode(self) -> Fallible<Option<Root<Node>>> {
+    fn PreviousNode(&self) -> Fallible<Option<Root<Node>>> {
         // https://dom.spec.whatwg.org/#concept-NodeIterator-traverse
         // Step 1.
         let node = self.reference_node.get().root();
@@ -186,7 +186,7 @@ impl<'a> NodeIteratorMethods for &'a NodeIterator {
     }
 
     // https://dom.spec.whatwg.org/#dom-nodeiterator-detach
-    fn Detach(self) {
+    fn Detach(&self) {
         // This method intentionally left blank.
     }
 }

servo/components/script/dom/nodelist.rs

@@ -52,9 +52,9 @@ impl NodeList {
     }
 }
 
-impl<'a> NodeListMethods for &'a NodeList {
+impl NodeListMethods for NodeList {
     // https://dom.spec.whatwg.org/#dom-nodelist-length
-    fn Length(self) -> u32 {
+    fn Length(&self) -> u32 {
         match self.list_type {
             NodeListType::Simple(ref elems) => elems.len() as u32,
             NodeListType::Children(ref list) => list.len(),
@@ -62,7 +62,7 @@ impl<'a> NodeListMethods for &'a NodeList {
     }
 
     // https://dom.spec.whatwg.org/#dom-nodelist-item
-    fn Item(self, index: u32) -> Option<Root<Node>> {
+    fn Item(&self, index: u32) -> Option<Root<Node>> {
         match self.list_type {
             NodeListType::Simple(ref elems) => {
                 elems.get(index as usize).map(|node| Root::from_rooted(*node))
@@ -72,7 +72,7 @@ impl<'a> NodeListMethods for &'a NodeList {
     }
 
     // https://dom.spec.whatwg.org/#dom-nodelist-item
-    fn IndexedGetter(self, index: u32, found: &mut bool) -> Option<Root<Node>> {
+    fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<Root<Node>> {
         let item = self.Item(index);
         *found = item.is_some();
         item

servo/components/script/dom/performance.rs

@@ -43,14 +43,14 @@ impl Performance {
     }
 }
 
-impl<'a> PerformanceMethods for &'a Performance {
+impl PerformanceMethods for Performance {
     // https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/NavigationTiming/Overview.html#performance-timing-attribute
-    fn Timing(self) -> Root<PerformanceTiming> {
+    fn Timing(&self) -> Root<PerformanceTiming> {
         self.timing.root()
     }
 
     // https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/HighResolutionTime/Overview.html#dom-performance-now
-    fn Now(self) -> DOMHighResTimeStamp {
+    fn Now(&self) -> DOMHighResTimeStamp {
         let navStart = self.timing.root().r().NavigationStartPrecise();
         let now = (time::precise_time_ns() as f64 - navStart) / 1000000 as f64;
         Finite::wrap(now)

servo/components/script/dom/performancetiming.rs

@@ -38,10 +38,10 @@ impl PerformanceTiming {
     }
 }
 
-impl<'a> PerformanceTimingMethods for &'a PerformanceTiming {
+impl PerformanceTimingMethods for PerformanceTiming {
     // https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/
     // NavigationTiming/Overview.html#dom-performancetiming-navigationstart
-    fn NavigationStart(self) -> u64 {
+    fn NavigationStart(&self) -> u64 {
         self.navigationStart
     }
 }

servo/components/script/dom/processinginstruction.rs

@@ -47,9 +47,9 @@ impl ProcessingInstruction {
     }
 }
 
-impl<'a> ProcessingInstructionMethods for &'a ProcessingInstruction {
+impl ProcessingInstructionMethods for ProcessingInstruction {
     // https://dom.spec.whatwg.org/#dom-processinginstruction-target
-    fn Target(self) -> DOMString {
+    fn Target(&self) -> DOMString {
         self.target.clone()
     }
 }

servo/components/script/dom/progressevent.rs

@@ -61,19 +61,19 @@ impl ProgressEvent {
     }
 }
 
-impl<'a> ProgressEventMethods for &'a ProgressEvent {
+impl ProgressEventMethods for ProgressEvent {
     // https://xhr.spec.whatwg.org/#dom-progressevent-lengthcomputable
-    fn LengthComputable(self) -> bool {
+    fn LengthComputable(&self) -> bool {
         self.length_computable
     }
 
     // https://xhr.spec.whatwg.org/#dom-progressevent-loaded
-    fn Loaded(self) -> u64 {
+    fn Loaded(&self) -> u64 {
         self.loaded
     }
 
     // https://xhr.spec.whatwg.org/#dom-progressevent-total
-    fn Total(self) -> u64 {
+    fn Total(&self) -> u64 {
         self.total
     }
 }

servo/components/script/dom/range.rs

@@ -132,40 +132,40 @@ impl Range {
     }
 }
 
-impl<'a> RangeMethods for &'a Range {
+impl RangeMethods for Range {
     // https://dom.spec.whatwg.org/#dom-range-startcontainer
-    fn StartContainer(self) -> Root<Node> {
+    fn StartContainer(&self) -> Root<Node> {
         self.inner().borrow().start.node()
     }
 
     // https://dom.spec.whatwg.org/#dom-range-startoffset
-    fn StartOffset(self) -> u32 {
+    fn StartOffset(&self) -> u32 {
         self.inner().borrow().start.offset
     }
 
     // https://dom.spec.whatwg.org/#dom-range-endcontainer
-    fn EndContainer(self) -> Root<Node> {
+    fn EndContainer(&self) -> Root<Node> {
         self.inner().borrow().end.node()
     }
 
     // https://dom.spec.whatwg.org/#dom-range-endoffset
-    fn EndOffset(self) -> u32 {
+    fn EndOffset(&self) -> u32 {
         self.inner().borrow().end.offset
     }
 
     // https://dom.spec.whatwg.org/#dom-range-collapsed
-    fn Collapsed(self) -> bool {
+    fn Collapsed(&self) -> bool {
         let inner = self.inner().borrow();
         inner.start == inner.end
     }
 
     // https://dom.spec.whatwg.org/#dom-range-commonancestorcontainer
-    fn CommonAncestorContainer(self) -> Root<Node> {
+    fn CommonAncestorContainer(&self) -> Root<Node> {
         self.inner().borrow().common_ancestor_container()
     }
 
     // https://dom.spec.whatwg.org/#dom-range-setstartnode-offset
-    fn SetStart(self, node: &Node, offset: u32) -> ErrorResult {
+    fn SetStart(&self, node: &Node, offset: u32) -> ErrorResult {
         if node.is_doctype() {
             // Step 1.
             Err(Error::InvalidNodeType)
@@ -180,7 +180,7 @@ impl<'a> RangeMethods for &'a Range {
     }
 
     // https://dom.spec.whatwg.org/#dom-range-setendnode-offset
-    fn SetEnd(self, node: &Node, offset: u32) -> ErrorResult {
+    fn SetEnd(&self, node: &Node, offset: u32) -> ErrorResult {
         if node.is_doctype() {
             // Step 1.
             Err(Error::InvalidNodeType)
@@ -195,46 +195,46 @@ impl<'a> RangeMethods for &'a Range {
     }
 
     // https://dom.spec.whatwg.org/#dom-range-setstartbeforenode
-    fn SetStartBefore(self, node: &Node) -> ErrorResult {
+    fn SetStartBefore(&self, node: &Node) -> ErrorResult {
         let parent = try!(node.GetParentNode().ok_or(Error::InvalidNodeType));
         self.SetStart(parent.r(), node.index())
     }
 
     // https://dom.spec.whatwg.org/#dom-range-setstartafternode
-    fn SetStartAfter(self, node: &Node) -> ErrorResult {
+    fn SetStartAfter(&self, node: &Node) -> ErrorResult {
         let parent = try!(node.GetParentNode().ok_or(Error::InvalidNodeType));
         self.SetStart(parent.r(), node.index() + 1)
     }
 
     // https://dom.spec.whatwg.org/#dom-range-setendbeforenode
-    fn SetEndBefore(self, node: &Node) -> ErrorResult {
+    fn SetEndBefore(&self, node: &Node) -> ErrorResult {
         let parent = try!(node.GetParentNode().ok_or(Error::InvalidNodeType));
         self.SetEnd(parent.r(), node.index())
     }
 
     // https://dom.spec.whatwg.org/#dom-range-setendafternode
-    fn SetEndAfter(self, node: &Node) -> ErrorResult {
+    fn SetEndAfter(&self, node: &Node) -> ErrorResult {
         let parent = try!(node.GetParentNode().ok_or(Error::InvalidNodeType));
         self.SetEnd(parent.r(), node.index() + 1)
     }
 
     // https://dom.spec.whatwg.org/#dom-range-collapsetostart
-    fn Collapse(self, to_start: bool) {
+    fn Collapse(&self, to_start: bool) {
         self.inner().borrow_mut().collapse(to_start);
     }
 
     // https://dom.spec.whatwg.org/#dom-range-selectnodenode
-    fn SelectNode(self, node: &Node) -> ErrorResult {
+    fn SelectNode(&self, node: &Node) -> ErrorResult {
         self.inner().borrow_mut().select_node(node)
     }
 
     // https://dom.spec.whatwg.org/#dom-range-selectnodecontentsnode
-    fn SelectNodeContents(self, node: &Node) -> ErrorResult {
+    fn SelectNodeContents(&self, node: &Node) -> ErrorResult {
         self.inner().borrow_mut().select_node_contents(node)
     }
 
     // https://dom.spec.whatwg.org/#dom-range-compareboundarypointshow-sourcerange
-    fn CompareBoundaryPoints(self, how: u16, source_range: &Range)
+    fn CompareBoundaryPoints(&self, how: u16, source_range: &Range)
                              -> Fallible<i16> {
         if how > RangeConstants::END_TO_START {
             // Step 1.
@@ -275,7 +275,7 @@ impl<'a> RangeMethods for &'a Range {
     }
 
     // https://dom.spec.whatwg.org/#dom-range-clonerange
-    fn CloneRange(self) -> Root<Range> {
+    fn CloneRange(&self) -> Root<Range> {
         let inner = self.inner().borrow();
         let start = &inner.start;
         let end = &inner.end;
@@ -286,7 +286,7 @@ impl<'a> RangeMethods for &'a Range {
     }
 
     // https://dom.spec.whatwg.org/#dom-range-ispointinrangenode-offset
-    fn IsPointInRange(self, node: &Node, offset: u32) -> Fallible<bool> {
+    fn IsPointInRange(&self, node: &Node, offset: u32) -> Fallible<bool> {
         match self.inner().borrow().compare_point(node, offset) {
             Ok(Ordering::Less) => Ok(false),
             Ok(Ordering::Equal) => Ok(true),
@@ -300,7 +300,7 @@ impl<'a> RangeMethods for &'a Range {
     }
 
     // https://dom.spec.whatwg.org/#dom-range-comparepointnode-offset
-    fn ComparePoint(self, node: &Node, offset: u32) -> Fallible<i16> {
+    fn ComparePoint(&self, node: &Node, offset: u32) -> Fallible<i16> {
         self.inner().borrow().compare_point(node, offset).map(|order| {
             match order {
                 Ordering::Less => -1,
@@ -311,7 +311,7 @@ impl<'a> RangeMethods for &'a Range {
     }
 
     // https://dom.spec.whatwg.org/#dom-range-intersectsnode
-    fn IntersectsNode(self, node: &Node) -> bool {
+    fn IntersectsNode(&self, node: &Node) -> bool {
         let inner = self.inner().borrow();
         let start = &inner.start;
         let start_node = start.node();
@@ -343,7 +343,7 @@ impl<'a> RangeMethods for &'a Range {
 
     // https://dom.spec.whatwg.org/#dom-range-clonecontents
     // https://dom.spec.whatwg.org/#concept-range-clone
-    fn CloneContents(self) -> Fallible<Root<DocumentFragment>> {
+    fn CloneContents(&self) -> Fallible<Root<DocumentFragment>> {
         let inner = self.inner.borrow();
         let start = &inner.start;
         let end = &inner.end;
@@ -452,7 +452,7 @@ impl<'a> RangeMethods for &'a Range {
 
     // https://dom.spec.whatwg.org/#dom-range-extractcontents
     // https://dom.spec.whatwg.org/#concept-range-extract
-    fn ExtractContents(self) -> Fallible<Root<DocumentFragment>> {
+    fn ExtractContents(&self) -> Fallible<Root<DocumentFragment>> {
 
         // Step 3.
         let (start_node, start_offset, end_node, end_offset) = {
@@ -581,13 +581,13 @@ impl<'a> RangeMethods for &'a Range {
     }
 
     // https://dom.spec.whatwg.org/#dom-range-detach
-    fn Detach(self) {
+    fn Detach(&self) {
         // This method intentionally left blank.
     }
 
     // https://dom.spec.whatwg.org/#dom-range-insertnode
     // https://dom.spec.whatwg.org/#concept-range-insert
-    fn InsertNode(self, node: &Node) -> ErrorResult {
+    fn InsertNode(&self, node: &Node) -> ErrorResult {
         let (start_node, start_offset) = {
             let inner = self.inner().borrow();
             let start = &inner.start;

servo/components/script/dom/screen.rs

@@ -28,14 +28,14 @@ impl Screen {
     }
 }
 
-impl<'a> ScreenMethods for &'a Screen {
+impl ScreenMethods for Screen {
     // https://drafts.csswg.org/cssom-view/#dom-screen-colordepth
-    fn ColorDepth(self) -> u32 {
+    fn ColorDepth(&self) -> u32 {
         24
     }
 
     // https://drafts.csswg.org/cssom-view/#dom-screen-pixeldepth
-    fn PixelDepth(self) -> u32 {
+    fn PixelDepth(&self) -> u32 {
         24
     }
 }

servo/components/script/dom/storage.rs

@@ -55,9 +55,9 @@ impl Storage {
 
 }
 
-impl<'a> StorageMethods for &'a Storage {
+impl StorageMethods for Storage {
     // https://html.spec.whatwg.org/multipage/#dom-storage-length
-    fn Length(self) -> u32 {
+    fn Length(&self) -> u32 {
         let (sender, receiver) = ipc::channel().unwrap();
 
         self.get_storage_task().send(StorageTaskMsg::Length(sender, self.get_url(), self.storage_type)).unwrap();
@@ -65,7 +65,7 @@ impl<'a> StorageMethods for &'a Storage {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-storage-key
-    fn Key(self, index: u32) -> Option<DOMString> {
+    fn Key(&self, index: u32) -> Option<DOMString> {
         let (sender, receiver) = ipc::channel().unwrap();
 
         self.get_storage_task().send(StorageTaskMsg::Key(sender, self.get_url(), self.storage_type, index)).unwrap();
@@ -73,7 +73,7 @@ impl<'a> StorageMethods for &'a Storage {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-storage-getitem
-    fn GetItem(self, name: DOMString) -> Option<DOMString> {
+    fn GetItem(&self, name: DOMString) -> Option<DOMString> {
         let (sender, receiver) = ipc::channel().unwrap();
 
         let msg = StorageTaskMsg::GetItem(sender, self.get_url(), self.storage_type, name);
@@ -82,7 +82,7 @@ impl<'a> StorageMethods for &'a Storage {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-storage-setitem
-    fn SetItem(self, name: DOMString, value: DOMString) {
+    fn SetItem(&self, name: DOMString, value: DOMString) {
         let (sender, receiver) = ipc::channel().unwrap();
 
         let msg = StorageTaskMsg::SetItem(sender, self.get_url(), self.storage_type, name.clone(), value.clone());
@@ -94,7 +94,7 @@ impl<'a> StorageMethods for &'a Storage {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-storage-removeitem
-    fn RemoveItem(self, name: DOMString) {
+    fn RemoveItem(&self, name: DOMString) {
         let (sender, receiver) = ipc::channel().unwrap();
 
         let msg = StorageTaskMsg::RemoveItem(sender, self.get_url(), self.storage_type, name.clone());
@@ -105,7 +105,7 @@ impl<'a> StorageMethods for &'a Storage {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-storage-clear
-    fn Clear(self) {
+    fn Clear(&self) {
         let (sender, receiver) = ipc::channel().unwrap();
 
         self.get_storage_task().send(StorageTaskMsg::Clear(sender, self.get_url(), self.storage_type)).unwrap();
@@ -115,25 +115,25 @@ impl<'a> StorageMethods for &'a Storage {
     }
 
     // check-tidy: no specs after this line
-    fn NamedGetter(self, name: DOMString, found: &mut bool) -> Option<DOMString> {
+    fn NamedGetter(&self, name: DOMString, found: &mut bool) -> Option<DOMString> {
         let item = self.GetItem(name);
         *found = item.is_some();
         item
     }
 
-    fn NamedSetter(self, name: DOMString, value: DOMString) {
+    fn NamedSetter(&self, name: DOMString, value: DOMString) {
         self.SetItem(name, value);
     }
 
-    fn NamedCreator(self, name: DOMString, value: DOMString) {
+    fn NamedCreator(&self, name: DOMString, value: DOMString) {
         self.SetItem(name, value);
     }
 
-    fn NamedDeleter(self, name: DOMString) {
+    fn NamedDeleter(&self, name: DOMString) {
         self.RemoveItem(name);
     }
 
-    fn SupportedPropertyNames(self) -> Vec<DOMString> {
+    fn SupportedPropertyNames(&self) -> Vec<DOMString> {
         // FIXME: unimplemented (https://github.com/servo/servo/issues/7273)
         vec![]
     }

servo/components/script/dom/storageevent.rs

@@ -87,29 +87,29 @@ impl StorageEvent {
     }
 }
 
-impl<'a> StorageEventMethods for &'a StorageEvent {
+impl StorageEventMethods for StorageEvent {
     // https://html.spec.whatwg.org/multipage/#dom-storageevent-key
-    fn GetKey(self) -> Option<DOMString> {
+    fn GetKey(&self) -> Option<DOMString> {
         self.key.borrow().clone()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-storageevent-oldvalue
-    fn GetOldValue(self) -> Option<DOMString> {
+    fn GetOldValue(&self) -> Option<DOMString> {
         self.oldValue.borrow().clone()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-storageevent-newvalue
-    fn GetNewValue(self) -> Option<DOMString> {
+    fn GetNewValue(&self) -> Option<DOMString> {
         self.newValue.borrow().clone()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-storageevent-url
-    fn Url(self) -> DOMString {
+    fn Url(&self) -> DOMString {
         self.url.borrow().clone()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-storageevent-storagearea
-    fn GetStorageArea(self) -> Option<Root<Storage>> {
+    fn GetStorageArea(&self) -> Option<Root<Storage>> {
         self.storageArea.get().map(Root::from_rooted)
     }
 }

servo/components/script/dom/testbinding.rs

@@ -35,333 +35,333 @@ pub struct TestBinding {
     global: GlobalField,
 }
 
-impl<'a> TestBindingMethods for &'a TestBinding {
-    fn BooleanAttribute(self) -> bool { false }
-    fn SetBooleanAttribute(self, _: bool) {}
-    fn ByteAttribute(self) -> i8 { 0 }
-    fn SetByteAttribute(self, _: i8) {}
-    fn OctetAttribute(self) -> u8 { 0 }
-    fn SetOctetAttribute(self, _: u8) {}
-    fn ShortAttribute(self) -> i16 { 0 }
-    fn SetShortAttribute(self, _: i16) {}
-    fn UnsignedShortAttribute(self) -> u16 { 0 }
-    fn SetUnsignedShortAttribute(self, _: u16) {}
-    fn LongAttribute(self) -> i32 { 0 }
-    fn SetLongAttribute(self, _: i32) {}
-    fn UnsignedLongAttribute(self) -> u32 { 0 }
-    fn SetUnsignedLongAttribute(self, _: u32) {}
-    fn LongLongAttribute(self) -> i64 { 0 }
-    fn SetLongLongAttribute(self, _: i64) {}
-    fn UnsignedLongLongAttribute(self) -> u64 { 0 }
-    fn SetUnsignedLongLongAttribute(self, _: u64) {}
-    fn UnrestrictedFloatAttribute(self) -> f32 { 0. }
-    fn SetUnrestrictedFloatAttribute(self, _: f32) {}
-    fn FloatAttribute(self) -> Finite<f32> { Finite::wrap(0.) }
-    fn SetFloatAttribute(self, _: Finite<f32>) {}
-    fn UnrestrictedDoubleAttribute(self) -> f64 { 0. }
-    fn SetUnrestrictedDoubleAttribute(self, _: f64) {}
-    fn DoubleAttribute(self) -> Finite<f64> { Finite::wrap(0.) }
-    fn SetDoubleAttribute(self, _: Finite<f64>) {}
-    fn StringAttribute(self) -> DOMString { "".to_owned() }
-    fn SetStringAttribute(self, _: DOMString) {}
-    fn UsvstringAttribute(self) -> USVString { USVString("".to_owned()) }
-    fn SetUsvstringAttribute(self, _: USVString) {}
-    fn ByteStringAttribute(self) -> ByteString { ByteString::new(vec!()) }
-    fn SetByteStringAttribute(self, _: ByteString) {}
-    fn EnumAttribute(self) -> TestEnum { _empty }
-    fn SetEnumAttribute(self, _: TestEnum) {}
-    fn InterfaceAttribute(self) -> Root<Blob> {
+impl TestBindingMethods for TestBinding {
+    fn BooleanAttribute(&self) -> bool { false }
+    fn SetBooleanAttribute(&self, _: bool) {}
+    fn ByteAttribute(&self) -> i8 { 0 }
+    fn SetByteAttribute(&self, _: i8) {}
+    fn OctetAttribute(&self) -> u8 { 0 }
+    fn SetOctetAttribute(&self, _: u8) {}
+    fn ShortAttribute(&self) -> i16 { 0 }
+    fn SetShortAttribute(&self, _: i16) {}
+    fn UnsignedShortAttribute(&self) -> u16 { 0 }
+    fn SetUnsignedShortAttribute(&self, _: u16) {}
+    fn LongAttribute(&self) -> i32 { 0 }
+    fn SetLongAttribute(&self, _: i32) {}
+    fn UnsignedLongAttribute(&self) -> u32 { 0 }
+    fn SetUnsignedLongAttribute(&self, _: u32) {}
+    fn LongLongAttribute(&self) -> i64 { 0 }
+    fn SetLongLongAttribute(&self, _: i64) {}
+    fn UnsignedLongLongAttribute(&self) -> u64 { 0 }
+    fn SetUnsignedLongLongAttribute(&self, _: u64) {}
+    fn UnrestrictedFloatAttribute(&self) -> f32 { 0. }
+    fn SetUnrestrictedFloatAttribute(&self, _: f32) {}
+    fn FloatAttribute(&self) -> Finite<f32> { Finite::wrap(0.) }
+    fn SetFloatAttribute(&self, _: Finite<f32>) {}
+    fn UnrestrictedDoubleAttribute(&self) -> f64 { 0. }
+    fn SetUnrestrictedDoubleAttribute(&self, _: f64) {}
+    fn DoubleAttribute(&self) -> Finite<f64> { Finite::wrap(0.) }
+    fn SetDoubleAttribute(&self, _: Finite<f64>) {}
+    fn StringAttribute(&self) -> DOMString { "".to_owned() }
+    fn SetStringAttribute(&self, _: DOMString) {}
+    fn UsvstringAttribute(&self) -> USVString { USVString("".to_owned()) }
+    fn SetUsvstringAttribute(&self, _: USVString) {}
+    fn ByteStringAttribute(&self) -> ByteString { ByteString::new(vec!()) }
+    fn SetByteStringAttribute(&self, _: ByteString) {}
+    fn EnumAttribute(&self) -> TestEnum { _empty }
+    fn SetEnumAttribute(&self, _: TestEnum) {}
+    fn InterfaceAttribute(&self) -> Root<Blob> {
         let global = self.global.root();
         Blob::new(global.r(), None, "")
     }
-    fn SetInterfaceAttribute(self, _: &Blob) {}
-    fn UnionAttribute(self) -> HTMLElementOrLong { eLong(0) }
-    fn SetUnionAttribute(self, _: HTMLElementOrLong) {}
-    fn Union2Attribute(self) -> EventOrString { eString("".to_owned()) }
-    fn SetUnion2Attribute(self, _: EventOrString) {}
-    fn ArrayAttribute(self, _: *mut JSContext) -> *mut JSObject { NullValue().to_object_or_null() }
-    fn AnyAttribute(self, _: *mut JSContext) -> JSVal { NullValue() }
-    fn SetAnyAttribute(self, _: *mut JSContext, _: HandleValue) {}
-    fn ObjectAttribute(self, _: *mut JSContext) -> *mut JSObject { panic!() }
-    fn SetObjectAttribute(self, _: *mut JSContext, _: *mut JSObject) {}
+    fn SetInterfaceAttribute(&self, _: &Blob) {}
+    fn UnionAttribute(&self) -> HTMLElementOrLong { eLong(0) }
+    fn SetUnionAttribute(&self, _: HTMLElementOrLong) {}
+    fn Union2Attribute(&self) -> EventOrString { eString("".to_owned()) }
+    fn SetUnion2Attribute(&self, _: EventOrString) {}
+    fn ArrayAttribute(&self, _: *mut JSContext) -> *mut JSObject { NullValue().to_object_or_null() }
+    fn AnyAttribute(&self, _: *mut JSContext) -> JSVal { NullValue() }
+    fn SetAnyAttribute(&self, _: *mut JSContext, _: HandleValue) {}
+    fn ObjectAttribute(&self, _: *mut JSContext) -> *mut JSObject { panic!() }
+    fn SetObjectAttribute(&self, _: *mut JSContext, _: *mut JSObject) {}
 
-    fn GetBooleanAttributeNullable(self) -> Option<bool> { Some(false) }
-    fn SetBooleanAttributeNullable(self, _: Option<bool>) {}
-    fn GetByteAttributeNullable(self) -> Option<i8> { Some(0) }
-    fn SetByteAttributeNullable(self, _: Option<i8>) {}
-    fn GetOctetAttributeNullable(self) -> Option<u8> { Some(0) }
-    fn SetOctetAttributeNullable(self, _: Option<u8>) {}
-    fn GetShortAttributeNullable(self) -> Option<i16> { Some(0) }
-    fn SetShortAttributeNullable(self, _: Option<i16>) {}
-    fn GetUnsignedShortAttributeNullable(self) -> Option<u16> { Some(0) }
-    fn SetUnsignedShortAttributeNullable(self, _: Option<u16>) {}
-    fn GetLongAttributeNullable(self) -> Option<i32> { Some(0) }
-    fn SetLongAttributeNullable(self, _: Option<i32>) {}
-    fn GetUnsignedLongAttributeNullable(self) -> Option<u32> { Some(0) }
-    fn SetUnsignedLongAttributeNullable(self, _: Option<u32>) {}
-    fn GetLongLongAttributeNullable(self) -> Option<i64> { Some(0) }
-    fn SetLongLongAttributeNullable(self, _: Option<i64>) {}
-    fn GetUnsignedLongLongAttributeNullable(self) -> Option<u64> { Some(0) }
-    fn SetUnsignedLongLongAttributeNullable(self, _: Option<u64>) {}
-    fn GetUnrestrictedFloatAttributeNullable(self) -> Option<f32> { Some(0.) }
-    fn SetUnrestrictedFloatAttributeNullable(self, _: Option<f32>) {}
-    fn GetFloatAttributeNullable(self) -> Option<Finite<f32>> { Some(Finite::wrap(0.)) }
-    fn SetFloatAttributeNullable(self, _: Option<Finite<f32>>) {}
-    fn GetUnrestrictedDoubleAttributeNullable(self) -> Option<f64> { Some(0.) }
-    fn SetUnrestrictedDoubleAttributeNullable(self, _: Option<f64>) {}
-    fn GetDoubleAttributeNullable(self) -> Option<Finite<f64>> { Some(Finite::wrap(0.)) }
-    fn SetDoubleAttributeNullable(self, _: Option<Finite<f64>>) {}
-    fn GetByteStringAttributeNullable(self) -> Option<ByteString> { Some(ByteString::new(vec!())) }
-    fn SetByteStringAttributeNullable(self, _: Option<ByteString>) {}
-    fn GetStringAttributeNullable(self) -> Option<DOMString> { Some("".to_owned()) }
-    fn SetStringAttributeNullable(self, _: Option<DOMString>) {}
-    fn GetUsvstringAttributeNullable(self) -> Option<USVString> { Some(USVString("".to_owned())) }
-    fn SetUsvstringAttributeNullable(self, _: Option<USVString>) {}
-    fn SetBinaryRenamedAttribute(self, _: DOMString) {}
-    fn ForwardedAttribute(self) -> Root<TestBinding> { Root::from_ref(self) }
-    fn BinaryRenamedAttribute(self) -> DOMString { "".to_owned() }
-    fn GetEnumAttributeNullable(self) -> Option<TestEnum> { Some(_empty) }
-    fn GetInterfaceAttributeNullable(self) -> Option<Root<Blob>> {
+    fn GetBooleanAttributeNullable(&self) -> Option<bool> { Some(false) }
+    fn SetBooleanAttributeNullable(&self, _: Option<bool>) {}
+    fn GetByteAttributeNullable(&self) -> Option<i8> { Some(0) }
+    fn SetByteAttributeNullable(&self, _: Option<i8>) {}
+    fn GetOctetAttributeNullable(&self) -> Option<u8> { Some(0) }
+    fn SetOctetAttributeNullable(&self, _: Option<u8>) {}
+    fn GetShortAttributeNullable(&self) -> Option<i16> { Some(0) }
+    fn SetShortAttributeNullable(&self, _: Option<i16>) {}
+    fn GetUnsignedShortAttributeNullable(&self) -> Option<u16> { Some(0) }
+    fn SetUnsignedShortAttributeNullable(&self, _: Option<u16>) {}
+    fn GetLongAttributeNullable(&self) -> Option<i32> { Some(0) }
+    fn SetLongAttributeNullable(&self, _: Option<i32>) {}
+    fn GetUnsignedLongAttributeNullable(&self) -> Option<u32> { Some(0) }
+    fn SetUnsignedLongAttributeNullable(&self, _: Option<u32>) {}
+    fn GetLongLongAttributeNullable(&self) -> Option<i64> { Some(0) }
+    fn SetLongLongAttributeNullable(&self, _: Option<i64>) {}
+    fn GetUnsignedLongLongAttributeNullable(&self) -> Option<u64> { Some(0) }
+    fn SetUnsignedLongLongAttributeNullable(&self, _: Option<u64>) {}
+    fn GetUnrestrictedFloatAttributeNullable(&self) -> Option<f32> { Some(0.) }
+    fn SetUnrestrictedFloatAttributeNullable(&self, _: Option<f32>) {}
+    fn GetFloatAttributeNullable(&self) -> Option<Finite<f32>> { Some(Finite::wrap(0.)) }
+    fn SetFloatAttributeNullable(&self, _: Option<Finite<f32>>) {}
+    fn GetUnrestrictedDoubleAttributeNullable(&self) -> Option<f64> { Some(0.) }
+    fn SetUnrestrictedDoubleAttributeNullable(&self, _: Option<f64>) {}
+    fn GetDoubleAttributeNullable(&self) -> Option<Finite<f64>> { Some(Finite::wrap(0.)) }
+    fn SetDoubleAttributeNullable(&self, _: Option<Finite<f64>>) {}
+    fn GetByteStringAttributeNullable(&self) -> Option<ByteString> { Some(ByteString::new(vec!())) }
+    fn SetByteStringAttributeNullable(&self, _: Option<ByteString>) {}
+    fn GetStringAttributeNullable(&self) -> Option<DOMString> { Some("".to_owned()) }
+    fn SetStringAttributeNullable(&self, _: Option<DOMString>) {}
+    fn GetUsvstringAttributeNullable(&self) -> Option<USVString> { Some(USVString("".to_owned())) }
+    fn SetUsvstringAttributeNullable(&self, _: Option<USVString>) {}
+    fn SetBinaryRenamedAttribute(&self, _: DOMString) {}
+    fn ForwardedAttribute(&self) -> Root<TestBinding> { Root::from_ref(self) }
+    fn BinaryRenamedAttribute(&self) -> DOMString { "".to_owned() }
+    fn GetEnumAttributeNullable(&self) -> Option<TestEnum> { Some(_empty) }
+    fn GetInterfaceAttributeNullable(&self) -> Option<Root<Blob>> {
         let global = self.global.root();
         Some(Blob::new(global.r(), None, ""))
     }
-    fn SetInterfaceAttributeNullable(self, _: Option<&Blob>) {}
-    fn GetObjectAttributeNullable(self, _: *mut JSContext) -> *mut JSObject { ptr::null_mut() }
-    fn SetObjectAttributeNullable(self, _: *mut JSContext, _: *mut JSObject) {}
-    fn GetUnionAttributeNullable(self) -> Option<HTMLElementOrLong> { Some(eLong(0)) }
-    fn SetUnionAttributeNullable(self, _: Option<HTMLElementOrLong>) {}
-    fn GetUnion2AttributeNullable(self) -> Option<EventOrString> { Some(eString("".to_owned())) }
-    fn SetUnion2AttributeNullable(self, _: Option<EventOrString>) {}
-    fn BinaryRenamedMethod(self) -> () {}
-    fn ReceiveVoid(self) -> () {}
-    fn ReceiveBoolean(self) -> bool { false }
-    fn ReceiveByte(self) -> i8 { 0 }
-    fn ReceiveOctet(self) -> u8 { 0 }
-    fn ReceiveShort(self) -> i16 { 0 }
-    fn ReceiveUnsignedShort(self) -> u16 { 0 }
-    fn ReceiveLong(self) -> i32 { 0 }
-    fn ReceiveUnsignedLong(self) -> u32 { 0 }
-    fn ReceiveLongLong(self) -> i64 { 0 }
-    fn ReceiveUnsignedLongLong(self) -> u64 { 0 }
-    fn ReceiveUnrestrictedFloat(self) -> f32 { 0. }
-    fn ReceiveFloat(self) -> Finite<f32> { Finite::wrap(0.) }
-    fn ReceiveUnrestrictedDouble(self) -> f64 { 0. }
-    fn ReceiveDouble(self) -> Finite<f64> { Finite::wrap(0.) }
-    fn ReceiveString(self) -> DOMString { "".to_owned() }
-    fn ReceiveUsvstring(self) -> USVString { USVString("".to_owned()) }
-    fn ReceiveByteString(self) -> ByteString { ByteString::new(vec!()) }
-    fn ReceiveEnum(self) -> TestEnum { _empty }
-    fn ReceiveInterface(self) -> Root<Blob> {
+    fn SetInterfaceAttributeNullable(&self, _: Option<&Blob>) {}
+    fn GetObjectAttributeNullable(&self, _: *mut JSContext) -> *mut JSObject { ptr::null_mut() }
+    fn SetObjectAttributeNullable(&self, _: *mut JSContext, _: *mut JSObject) {}
+    fn GetUnionAttributeNullable(&self) -> Option<HTMLElementOrLong> { Some(eLong(0)) }
+    fn SetUnionAttributeNullable(&self, _: Option<HTMLElementOrLong>) {}
+    fn GetUnion2AttributeNullable(&self) -> Option<EventOrString> { Some(eString("".to_owned())) }
+    fn SetUnion2AttributeNullable(&self, _: Option<EventOrString>) {}
+    fn BinaryRenamedMethod(&self) -> () {}
+    fn ReceiveVoid(&self) -> () {}
+    fn ReceiveBoolean(&self) -> bool { false }
+    fn ReceiveByte(&self) -> i8 { 0 }
+    fn ReceiveOctet(&self) -> u8 { 0 }
+    fn ReceiveShort(&self) -> i16 { 0 }
+    fn ReceiveUnsignedShort(&self) -> u16 { 0 }
+    fn ReceiveLong(&self) -> i32 { 0 }
+    fn ReceiveUnsignedLong(&self) -> u32 { 0 }
+    fn ReceiveLongLong(&self) -> i64 { 0 }
+    fn ReceiveUnsignedLongLong(&self) -> u64 { 0 }
+    fn ReceiveUnrestrictedFloat(&self) -> f32 { 0. }
+    fn ReceiveFloat(&self) -> Finite<f32> { Finite::wrap(0.) }
+    fn ReceiveUnrestrictedDouble(&self) -> f64 { 0. }
+    fn ReceiveDouble(&self) -> Finite<f64> { Finite::wrap(0.) }
+    fn ReceiveString(&self) -> DOMString { "".to_owned() }
+    fn ReceiveUsvstring(&self) -> USVString { USVString("".to_owned()) }
+    fn ReceiveByteString(&self) -> ByteString { ByteString::new(vec!()) }
+    fn ReceiveEnum(&self) -> TestEnum { _empty }
+    fn ReceiveInterface(&self) -> Root<Blob> {
         let global = self.global.root();
         Blob::new(global.r(), None, "")
     }
-    fn ReceiveAny(self, _: *mut JSContext) -> JSVal { NullValue() }
-    fn ReceiveObject(self, _: *mut JSContext) -> *mut JSObject { panic!() }
-    fn ReceiveUnion(self) -> HTMLElementOrLong { eLong(0) }
-    fn ReceiveUnion2(self) -> EventOrString { eString("".to_owned()) }
+    fn ReceiveAny(&self, _: *mut JSContext) -> JSVal { NullValue() }
+    fn ReceiveObject(&self, _: *mut JSContext) -> *mut JSObject { panic!() }
+    fn ReceiveUnion(&self) -> HTMLElementOrLong { eLong(0) }
+    fn ReceiveUnion2(&self) -> EventOrString { eString("".to_owned()) }
 
-    fn ReceiveNullableBoolean(self) -> Option<bool> { Some(false) }
-    fn ReceiveNullableByte(self) -> Option<i8> { Some(0) }
-    fn ReceiveNullableOctet(self) -> Option<u8> { Some(0) }
-    fn ReceiveNullableShort(self) -> Option<i16> { Some(0) }
-    fn ReceiveNullableUnsignedShort(self) -> Option<u16> { Some(0) }
-    fn ReceiveNullableLong(self) -> Option<i32> { Some(0) }
-    fn ReceiveNullableUnsignedLong(self) -> Option<u32> { Some(0) }
-    fn ReceiveNullableLongLong(self) -> Option<i64> { Some(0) }
-    fn ReceiveNullableUnsignedLongLong(self) -> Option<u64> { Some(0) }
-    fn ReceiveNullableUnrestrictedFloat(self) -> Option<f32> { Some(0.) }
-    fn ReceiveNullableFloat(self) -> Option<Finite<f32>> { Some(Finite::wrap(0.)) }
-    fn ReceiveNullableUnrestrictedDouble(self) -> Option<f64> { Some(0.) }
-    fn ReceiveNullableDouble(self) -> Option<Finite<f64>> { Some(Finite::wrap(0.)) }
-    fn ReceiveNullableString(self) -> Option<DOMString> { Some("".to_owned()) }
-    fn ReceiveNullableUsvstring(self) -> Option<USVString> { Some(USVString("".to_owned())) }
-    fn ReceiveNullableByteString(self) -> Option<ByteString> { Some(ByteString::new(vec!())) }
-    fn ReceiveNullableEnum(self) -> Option<TestEnum> { Some(_empty) }
-    fn ReceiveNullableInterface(self) -> Option<Root<Blob>> {
+    fn ReceiveNullableBoolean(&self) -> Option<bool> { Some(false) }
+    fn ReceiveNullableByte(&self) -> Option<i8> { Some(0) }
+    fn ReceiveNullableOctet(&self) -> Option<u8> { Some(0) }
+    fn ReceiveNullableShort(&self) -> Option<i16> { Some(0) }
+    fn ReceiveNullableUnsignedShort(&self) -> Option<u16> { Some(0) }
+    fn ReceiveNullableLong(&self) -> Option<i32> { Some(0) }
+    fn ReceiveNullableUnsignedLong(&self) -> Option<u32> { Some(0) }
+    fn ReceiveNullableLongLong(&self) -> Option<i64> { Some(0) }
+    fn ReceiveNullableUnsignedLongLong(&self) -> Option<u64> { Some(0) }
+    fn ReceiveNullableUnrestrictedFloat(&self) -> Option<f32> { Some(0.) }
+    fn ReceiveNullableFloat(&self) -> Option<Finite<f32>> { Some(Finite::wrap(0.)) }
+    fn ReceiveNullableUnrestrictedDouble(&self) -> Option<f64> { Some(0.) }
+    fn ReceiveNullableDouble(&self) -> Option<Finite<f64>> { Some(Finite::wrap(0.)) }
+    fn ReceiveNullableString(&self) -> Option<DOMString> { Some("".to_owned()) }
+    fn ReceiveNullableUsvstring(&self) -> Option<USVString> { Some(USVString("".to_owned())) }
+    fn ReceiveNullableByteString(&self) -> Option<ByteString> { Some(ByteString::new(vec!())) }
+    fn ReceiveNullableEnum(&self) -> Option<TestEnum> { Some(_empty) }
+    fn ReceiveNullableInterface(&self) -> Option<Root<Blob>> {
         let global = self.global.root();
         Some(Blob::new(global.r(), None, ""))
     }
-    fn ReceiveNullableObject(self, _: *mut JSContext) -> *mut JSObject { ptr::null_mut() }
-    fn ReceiveNullableUnion(self) -> Option<HTMLElementOrLong> { Some(eLong(0)) }
-    fn ReceiveNullableUnion2(self) -> Option<EventOrString> { Some(eString("".to_owned())) }
+    fn ReceiveNullableObject(&self, _: *mut JSContext) -> *mut JSObject { ptr::null_mut() }
+    fn ReceiveNullableUnion(&self) -> Option<HTMLElementOrLong> { Some(eLong(0)) }
+    fn ReceiveNullableUnion2(&self) -> Option<EventOrString> { Some(eString("".to_owned())) }
 
-    fn PassBoolean(self, _: bool) {}
-    fn PassByte(self, _: i8) {}
-    fn PassOctet(self, _: u8) {}
-    fn PassShort(self, _: i16) {}
-    fn PassUnsignedShort(self, _: u16) {}
-    fn PassLong(self, _: i32) {}
-    fn PassUnsignedLong(self, _: u32) {}
-    fn PassLongLong(self, _: i64) {}
-    fn PassUnsignedLongLong(self, _: u64) {}
-    fn PassUnrestrictedFloat(self, _: f32) {}
-    fn PassFloat(self, _: Finite<f32>) {}
-    fn PassUnrestrictedDouble(self, _: f64) {}
-    fn PassDouble(self, _: Finite<f64>) {}
-    fn PassString(self, _: DOMString) {}
-    fn PassUsvstring(self, _: USVString) {}
-    fn PassByteString(self, _: ByteString) {}
-    fn PassEnum(self, _: TestEnum) {}
-    fn PassInterface(self, _: &Blob) {}
-    fn PassUnion(self, _: HTMLElementOrLong) {}
-    fn PassUnion2(self, _: EventOrString) {}
-    fn PassUnion3(self, _: BlobOrString) {}
-    fn PassAny(self, _: *mut JSContext, _: HandleValue) {}
-    fn PassObject(self, _: *mut JSContext, _: *mut JSObject) {}
-    fn PassCallbackFunction(self, _: Rc<Function>) {}
-    fn PassCallbackInterface(self, _: Rc<EventListener>) {}
+    fn PassBoolean(&self, _: bool) {}
+    fn PassByte(&self, _: i8) {}
+    fn PassOctet(&self, _: u8) {}
+    fn PassShort(&self, _: i16) {}
+    fn PassUnsignedShort(&self, _: u16) {}
+    fn PassLong(&self, _: i32) {}
+    fn PassUnsignedLong(&self, _: u32) {}
+    fn PassLongLong(&self, _: i64) {}
+    fn PassUnsignedLongLong(&self, _: u64) {}
+    fn PassUnrestrictedFloat(&self, _: f32) {}
+    fn PassFloat(&self, _: Finite<f32>) {}
+    fn PassUnrestrictedDouble(&self, _: f64) {}
+    fn PassDouble(&self, _: Finite<f64>) {}
+    fn PassString(&self, _: DOMString) {}
+    fn PassUsvstring(&self, _: USVString) {}
+    fn PassByteString(&self, _: ByteString) {}
+    fn PassEnum(&self, _: TestEnum) {}
+    fn PassInterface(&self, _: &Blob) {}
+    fn PassUnion(&self, _: HTMLElementOrLong) {}
+    fn PassUnion2(&self, _: EventOrString) {}
+    fn PassUnion3(&self, _: BlobOrString) {}
+    fn PassAny(&self, _: *mut JSContext, _: HandleValue) {}
+    fn PassObject(&self, _: *mut JSContext, _: *mut JSObject) {}
+    fn PassCallbackFunction(&self, _: Rc<Function>) {}
+    fn PassCallbackInterface(&self, _: Rc<EventListener>) {}
 
-    fn PassNullableBoolean(self, _: Option<bool>) {}
-    fn PassNullableByte(self, _: Option<i8>) {}
-    fn PassNullableOctet(self, _: Option<u8>) {}
-    fn PassNullableShort(self, _: Option<i16>) {}
-    fn PassNullableUnsignedShort(self, _: Option<u16>) {}
-    fn PassNullableLong(self, _: Option<i32>) {}
-    fn PassNullableUnsignedLong(self, _: Option<u32>) {}
-    fn PassNullableLongLong(self, _: Option<i64>) {}
-    fn PassNullableUnsignedLongLong(self, _: Option<u64>) {}
-    fn PassNullableUnrestrictedFloat(self, _: Option<f32>) {}
-    fn PassNullableFloat(self, _: Option<Finite<f32>>) {}
-    fn PassNullableUnrestrictedDouble(self, _: Option<f64>) {}
-    fn PassNullableDouble(self, _: Option<Finite<f64>>) {}
-    fn PassNullableString(self, _: Option<DOMString>) {}
-    fn PassNullableUsvstring(self, _: Option<USVString>) {}
-    fn PassNullableByteString(self, _: Option<ByteString>) {}
+    fn PassNullableBoolean(&self, _: Option<bool>) {}
+    fn PassNullableByte(&self, _: Option<i8>) {}
+    fn PassNullableOctet(&self, _: Option<u8>) {}
+    fn PassNullableShort(&self, _: Option<i16>) {}
+    fn PassNullableUnsignedShort(&self, _: Option<u16>) {}
+    fn PassNullableLong(&self, _: Option<i32>) {}
+    fn PassNullableUnsignedLong(&self, _: Option<u32>) {}
+    fn PassNullableLongLong(&self, _: Option<i64>) {}
+    fn PassNullableUnsignedLongLong(&self, _: Option<u64>) {}
+    fn PassNullableUnrestrictedFloat(&self, _: Option<f32>) {}
+    fn PassNullableFloat(&self, _: Option<Finite<f32>>) {}
+    fn PassNullableUnrestrictedDouble(&self, _: Option<f64>) {}
+    fn PassNullableDouble(&self, _: Option<Finite<f64>>) {}
+    fn PassNullableString(&self, _: Option<DOMString>) {}
+    fn PassNullableUsvstring(&self, _: Option<USVString>) {}
+    fn PassNullableByteString(&self, _: Option<ByteString>) {}
     // fn PassNullableEnum(self, _: Option<TestEnum>) {}
-    fn PassNullableInterface(self, _: Option<&Blob>) {}
-    fn PassNullableObject(self, _: *mut JSContext, _: *mut JSObject) {}
-    fn PassNullableUnion(self, _: Option<HTMLElementOrLong>) {}
-    fn PassNullableUnion2(self, _: Option<EventOrString>) {}
-    fn PassNullableCallbackFunction(self, _: Option<Rc<Function>>) {}
-    fn PassNullableCallbackInterface(self, _: Option<Rc<EventListener>>) {}
+    fn PassNullableInterface(&self, _: Option<&Blob>) {}
+    fn PassNullableObject(&self, _: *mut JSContext, _: *mut JSObject) {}
+    fn PassNullableUnion(&self, _: Option<HTMLElementOrLong>) {}
+    fn PassNullableUnion2(&self, _: Option<EventOrString>) {}
+    fn PassNullableCallbackFunction(&self, _: Option<Rc<Function>>) {}
+    fn PassNullableCallbackInterface(&self, _: Option<Rc<EventListener>>) {}
 
-    fn PassOptionalBoolean(self, _: Option<bool>) {}
-    fn PassOptionalByte(self, _: Option<i8>) {}
-    fn PassOptionalOctet(self, _: Option<u8>) {}
-    fn PassOptionalShort(self, _: Option<i16>) {}
-    fn PassOptionalUnsignedShort(self, _: Option<u16>) {}
-    fn PassOptionalLong(self, _: Option<i32>) {}
-    fn PassOptionalUnsignedLong(self, _: Option<u32>) {}
-    fn PassOptionalLongLong(self, _: Option<i64>) {}
-    fn PassOptionalUnsignedLongLong(self, _: Option<u64>) {}
-    fn PassOptionalUnrestrictedFloat(self, _: Option<f32>) {}
-    fn PassOptionalFloat(self, _: Option<Finite<f32>>) {}
-    fn PassOptionalUnrestrictedDouble(self, _: Option<f64>) {}
-    fn PassOptionalDouble(self, _: Option<Finite<f64>>) {}
-    fn PassOptionalString(self, _: Option<DOMString>) {}
-    fn PassOptionalUsvstring(self, _: Option<USVString>) {}
-    fn PassOptionalByteString(self, _: Option<ByteString>) {}
-    fn PassOptionalEnum(self, _: Option<TestEnum>) {}
-    fn PassOptionalInterface(self, _: Option<&Blob>) {}
-    fn PassOptionalUnion(self, _: Option<HTMLElementOrLong>) {}
-    fn PassOptionalUnion2(self, _: Option<EventOrString>) {}
-    fn PassOptionalAny(self, _: *mut JSContext, _: HandleValue) {}
-    fn PassOptionalObject(self, _: *mut JSContext, _: Option<*mut JSObject>) {}
-    fn PassOptionalCallbackFunction(self, _: Option<Rc<Function>>) {}
-    fn PassOptionalCallbackInterface(self, _: Option<Rc<EventListener>>) {}
+    fn PassOptionalBoolean(&self, _: Option<bool>) {}
+    fn PassOptionalByte(&self, _: Option<i8>) {}
+    fn PassOptionalOctet(&self, _: Option<u8>) {}
+    fn PassOptionalShort(&self, _: Option<i16>) {}
+    fn PassOptionalUnsignedShort(&self, _: Option<u16>) {}
+    fn PassOptionalLong(&self, _: Option<i32>) {}
+    fn PassOptionalUnsignedLong(&self, _: Option<u32>) {}
+    fn PassOptionalLongLong(&self, _: Option<i64>) {}
+    fn PassOptionalUnsignedLongLong(&self, _: Option<u64>) {}
+    fn PassOptionalUnrestrictedFloat(&self, _: Option<f32>) {}
+    fn PassOptionalFloat(&self, _: Option<Finite<f32>>) {}
+    fn PassOptionalUnrestrictedDouble(&self, _: Option<f64>) {}
+    fn PassOptionalDouble(&self, _: Option<Finite<f64>>) {}
+    fn PassOptionalString(&self, _: Option<DOMString>) {}
+    fn PassOptionalUsvstring(&self, _: Option<USVString>) {}
+    fn PassOptionalByteString(&self, _: Option<ByteString>) {}
+    fn PassOptionalEnum(&self, _: Option<TestEnum>) {}
+    fn PassOptionalInterface(&self, _: Option<&Blob>) {}
+    fn PassOptionalUnion(&self, _: Option<HTMLElementOrLong>) {}
+    fn PassOptionalUnion2(&self, _: Option<EventOrString>) {}
+    fn PassOptionalAny(&self, _: *mut JSContext, _: HandleValue) {}
+    fn PassOptionalObject(&self, _: *mut JSContext, _: Option<*mut JSObject>) {}
+    fn PassOptionalCallbackFunction(&self, _: Option<Rc<Function>>) {}
+    fn PassOptionalCallbackInterface(&self, _: Option<Rc<EventListener>>) {}
 
-    fn PassOptionalNullableBoolean(self, _: Option<Option<bool>>) {}
-    fn PassOptionalNullableByte(self, _: Option<Option<i8>>) {}
-    fn PassOptionalNullableOctet(self, _: Option<Option<u8>>) {}
-    fn PassOptionalNullableShort(self, _: Option<Option<i16>>) {}
-    fn PassOptionalNullableUnsignedShort(self, _: Option<Option<u16>>) {}
-    fn PassOptionalNullableLong(self, _: Option<Option<i32>>) {}
-    fn PassOptionalNullableUnsignedLong(self, _: Option<Option<u32>>) {}
-    fn PassOptionalNullableLongLong(self, _: Option<Option<i64>>) {}
-    fn PassOptionalNullableUnsignedLongLong(self, _: Option<Option<u64>>) {}
-    fn PassOptionalNullableUnrestrictedFloat(self, _: Option<Option<f32>>) {}
-    fn PassOptionalNullableFloat(self, _: Option<Option<Finite<f32>>>) {}
-    fn PassOptionalNullableUnrestrictedDouble(self, _: Option<Option<f64>>) {}
-    fn PassOptionalNullableDouble(self, _: Option<Option<Finite<f64>>>) {}
-    fn PassOptionalNullableString(self, _: Option<Option<DOMString>>) {}
-    fn PassOptionalNullableUsvstring(self, _: Option<Option<USVString>>) {}
-    fn PassOptionalNullableByteString(self, _: Option<Option<ByteString>>) {}
+    fn PassOptionalNullableBoolean(&self, _: Option<Option<bool>>) {}
+    fn PassOptionalNullableByte(&self, _: Option<Option<i8>>) {}
+    fn PassOptionalNullableOctet(&self, _: Option<Option<u8>>) {}
+    fn PassOptionalNullableShort(&self, _: Option<Option<i16>>) {}
+    fn PassOptionalNullableUnsignedShort(&self, _: Option<Option<u16>>) {}
+    fn PassOptionalNullableLong(&self, _: Option<Option<i32>>) {}
+    fn PassOptionalNullableUnsignedLong(&self, _: Option<Option<u32>>) {}
+    fn PassOptionalNullableLongLong(&self, _: Option<Option<i64>>) {}
+    fn PassOptionalNullableUnsignedLongLong(&self, _: Option<Option<u64>>) {}
+    fn PassOptionalNullableUnrestrictedFloat(&self, _: Option<Option<f32>>) {}
+    fn PassOptionalNullableFloat(&self, _: Option<Option<Finite<f32>>>) {}
+    fn PassOptionalNullableUnrestrictedDouble(&self, _: Option<Option<f64>>) {}
+    fn PassOptionalNullableDouble(&self, _: Option<Option<Finite<f64>>>) {}
+    fn PassOptionalNullableString(&self, _: Option<Option<DOMString>>) {}
+    fn PassOptionalNullableUsvstring(&self, _: Option<Option<USVString>>) {}
+    fn PassOptionalNullableByteString(&self, _: Option<Option<ByteString>>) {}
     // fn PassOptionalNullableEnum(self, _: Option<Option<TestEnum>>) {}
-    fn PassOptionalNullableInterface(self, _: Option<Option<&Blob>>) {}
-    fn PassOptionalNullableObject(self, _: *mut JSContext, _: Option<*mut JSObject>) {}
-    fn PassOptionalNullableUnion(self, _: Option<Option<HTMLElementOrLong>>) {}
-    fn PassOptionalNullableUnion2(self, _: Option<Option<EventOrString>>) {}
-    fn PassOptionalNullableCallbackFunction(self, _: Option<Option<Rc<Function>>>) {}
-    fn PassOptionalNullableCallbackInterface(self, _: Option<Option<Rc<EventListener>>>) {}
+    fn PassOptionalNullableInterface(&self, _: Option<Option<&Blob>>) {}
+    fn PassOptionalNullableObject(&self, _: *mut JSContext, _: Option<*mut JSObject>) {}
+    fn PassOptionalNullableUnion(&self, _: Option<Option<HTMLElementOrLong>>) {}
+    fn PassOptionalNullableUnion2(&self, _: Option<Option<EventOrString>>) {}
+    fn PassOptionalNullableCallbackFunction(&self, _: Option<Option<Rc<Function>>>) {}
+    fn PassOptionalNullableCallbackInterface(&self, _: Option<Option<Rc<EventListener>>>) {}
 
-    fn PassOptionalBooleanWithDefault(self, _: bool) {}
-    fn PassOptionalByteWithDefault(self, _: i8) {}
-    fn PassOptionalOctetWithDefault(self, _: u8) {}
-    fn PassOptionalShortWithDefault(self, _: i16) {}
-    fn PassOptionalUnsignedShortWithDefault(self, _: u16) {}
-    fn PassOptionalLongWithDefault(self, _: i32) {}
-    fn PassOptionalUnsignedLongWithDefault(self, _: u32) {}
-    fn PassOptionalLongLongWithDefault(self, _: i64) {}
-    fn PassOptionalUnsignedLongLongWithDefault(self, _: u64) {}
-    fn PassOptionalStringWithDefault(self, _: DOMString) {}
-    fn PassOptionalUsvstringWithDefault(self, _: USVString) {}
-    fn PassOptionalEnumWithDefault(self, _: TestEnum) {}
+    fn PassOptionalBooleanWithDefault(&self, _: bool) {}
+    fn PassOptionalByteWithDefault(&self, _: i8) {}
+    fn PassOptionalOctetWithDefault(&self, _: u8) {}
+    fn PassOptionalShortWithDefault(&self, _: i16) {}
+    fn PassOptionalUnsignedShortWithDefault(&self, _: u16) {}
+    fn PassOptionalLongWithDefault(&self, _: i32) {}
+    fn PassOptionalUnsignedLongWithDefault(&self, _: u32) {}
+    fn PassOptionalLongLongWithDefault(&self, _: i64) {}
+    fn PassOptionalUnsignedLongLongWithDefault(&self, _: u64) {}
+    fn PassOptionalStringWithDefault(&self, _: DOMString) {}
+    fn PassOptionalUsvstringWithDefault(&self, _: USVString) {}
+    fn PassOptionalEnumWithDefault(&self, _: TestEnum) {}
 
-    fn PassOptionalNullableBooleanWithDefault(self, _: Option<bool>) {}
-    fn PassOptionalNullableByteWithDefault(self, _: Option<i8>) {}
-    fn PassOptionalNullableOctetWithDefault(self, _: Option<u8>) {}
-    fn PassOptionalNullableShortWithDefault(self, _: Option<i16>) {}
-    fn PassOptionalNullableUnsignedShortWithDefault(self, _: Option<u16>) {}
-    fn PassOptionalNullableLongWithDefault(self, _: Option<i32>) {}
-    fn PassOptionalNullableUnsignedLongWithDefault(self, _: Option<u32>) {}
-    fn PassOptionalNullableLongLongWithDefault(self, _: Option<i64>) {}
-    fn PassOptionalNullableUnsignedLongLongWithDefault(self, _: Option<u64>) {}
+    fn PassOptionalNullableBooleanWithDefault(&self, _: Option<bool>) {}
+    fn PassOptionalNullableByteWithDefault(&self, _: Option<i8>) {}
+    fn PassOptionalNullableOctetWithDefault(&self, _: Option<u8>) {}
+    fn PassOptionalNullableShortWithDefault(&self, _: Option<i16>) {}
+    fn PassOptionalNullableUnsignedShortWithDefault(&self, _: Option<u16>) {}
+    fn PassOptionalNullableLongWithDefault(&self, _: Option<i32>) {}
+    fn PassOptionalNullableUnsignedLongWithDefault(&self, _: Option<u32>) {}
+    fn PassOptionalNullableLongLongWithDefault(&self, _: Option<i64>) {}
+    fn PassOptionalNullableUnsignedLongLongWithDefault(&self, _: Option<u64>) {}
     // fn PassOptionalNullableUnrestrictedFloatWithDefault(self, _: Option<f32>) {}
     // fn PassOptionalNullableFloatWithDefault(self, _: Option<Finite<f32>>) {}
     // fn PassOptionalNullableUnrestrictedDoubleWithDefault(self, _: Option<f64>) {}
     // fn PassOptionalNullableDoubleWithDefault(self, _: Option<Finite<f64>>) {}
-    fn PassOptionalNullableStringWithDefault(self, _: Option<DOMString>) {}
-    fn PassOptionalNullableUsvstringWithDefault(self, _: Option<USVString>) {}
-    fn PassOptionalNullableByteStringWithDefault(self, _: Option<ByteString>) {}
+    fn PassOptionalNullableStringWithDefault(&self, _: Option<DOMString>) {}
+    fn PassOptionalNullableUsvstringWithDefault(&self, _: Option<USVString>) {}
+    fn PassOptionalNullableByteStringWithDefault(&self, _: Option<ByteString>) {}
     // fn PassOptionalNullableEnumWithDefault(self, _: Option<TestEnum>) {}
-    fn PassOptionalNullableInterfaceWithDefault(self, _: Option<&Blob>) {}
-    fn PassOptionalNullableObjectWithDefault(self, _: *mut JSContext, _: *mut JSObject) {}
-    fn PassOptionalNullableUnionWithDefault(self, _: Option<HTMLElementOrLong>) {}
-    fn PassOptionalNullableUnion2WithDefault(self, _: Option<EventOrString>) {}
+    fn PassOptionalNullableInterfaceWithDefault(&self, _: Option<&Blob>) {}
+    fn PassOptionalNullableObjectWithDefault(&self, _: *mut JSContext, _: *mut JSObject) {}
+    fn PassOptionalNullableUnionWithDefault(&self, _: Option<HTMLElementOrLong>) {}
+    fn PassOptionalNullableUnion2WithDefault(&self, _: Option<EventOrString>) {}
     // fn PassOptionalNullableCallbackFunctionWithDefault(self, _: Option<Function>) {}
-    fn PassOptionalNullableCallbackInterfaceWithDefault(self, _: Option<Rc<EventListener>>) {}
-    fn PassOptionalAnyWithDefault(self, _: *mut JSContext, _: HandleValue) {}
+    fn PassOptionalNullableCallbackInterfaceWithDefault(&self, _: Option<Rc<EventListener>>) {}
+    fn PassOptionalAnyWithDefault(&self, _: *mut JSContext, _: HandleValue) {}
 
-    fn PassOptionalNullableBooleanWithNonNullDefault(self, _: Option<bool>) {}
-    fn PassOptionalNullableByteWithNonNullDefault(self, _: Option<i8>) {}
-    fn PassOptionalNullableOctetWithNonNullDefault(self, _: Option<u8>) {}
-    fn PassOptionalNullableShortWithNonNullDefault(self, _: Option<i16>) {}
-    fn PassOptionalNullableUnsignedShortWithNonNullDefault(self, _: Option<u16>) {}
-    fn PassOptionalNullableLongWithNonNullDefault(self, _: Option<i32>) {}
-    fn PassOptionalNullableUnsignedLongWithNonNullDefault(self, _: Option<u32>) {}
-    fn PassOptionalNullableLongLongWithNonNullDefault(self, _: Option<i64>) {}
-    fn PassOptionalNullableUnsignedLongLongWithNonNullDefault(self, _: Option<u64>) {}
+    fn PassOptionalNullableBooleanWithNonNullDefault(&self, _: Option<bool>) {}
+    fn PassOptionalNullableByteWithNonNullDefault(&self, _: Option<i8>) {}
+    fn PassOptionalNullableOctetWithNonNullDefault(&self, _: Option<u8>) {}
+    fn PassOptionalNullableShortWithNonNullDefault(&self, _: Option<i16>) {}
+    fn PassOptionalNullableUnsignedShortWithNonNullDefault(&self, _: Option<u16>) {}
+    fn PassOptionalNullableLongWithNonNullDefault(&self, _: Option<i32>) {}
+    fn PassOptionalNullableUnsignedLongWithNonNullDefault(&self, _: Option<u32>) {}
+    fn PassOptionalNullableLongLongWithNonNullDefault(&self, _: Option<i64>) {}
+    fn PassOptionalNullableUnsignedLongLongWithNonNullDefault(&self, _: Option<u64>) {}
     // fn PassOptionalNullableUnrestrictedFloatWithNonNullDefault(self, _: Option<f32>) {}
     // fn PassOptionalNullableFloatWithNonNullDefault(self, _: Option<Finite<f32>>) {}
     // fn PassOptionalNullableUnrestrictedDoubleWithNonNullDefault(self, _: Option<f64>) {}
     // fn PassOptionalNullableDoubleWithNonNullDefault(self, _: Option<Finite<f64>>) {}
-    fn PassOptionalNullableStringWithNonNullDefault(self, _: Option<DOMString>) {}
-    fn PassOptionalNullableUsvstringWithNonNullDefault(self, _: Option<USVString>) {}
+    fn PassOptionalNullableStringWithNonNullDefault(&self, _: Option<DOMString>) {}
+    fn PassOptionalNullableUsvstringWithNonNullDefault(&self, _: Option<USVString>) {}
     // fn PassOptionalNullableEnumWithNonNullDefault(self, _: Option<TestEnum>) {}
 
-    fn PassVariadicBoolean(self, _: Vec<bool>) {}
-    fn PassVariadicByte(self, _: Vec<i8>) {}
-    fn PassVariadicOctet(self, _: Vec<u8>) {}
-    fn PassVariadicShort(self, _: Vec<i16>) {}
-    fn PassVariadicUnsignedShort(self, _: Vec<u16>) {}
-    fn PassVariadicLong(self, _: Vec<i32>) {}
-    fn PassVariadicUnsignedLong(self, _: Vec<u32>) {}
-    fn PassVariadicLongLong(self, _: Vec<i64>) {}
-    fn PassVariadicUnsignedLongLong(self, _: Vec<u64>) {}
-    fn PassVariadicUnrestrictedFloat(self, _: Vec<f32>) {}
-    fn PassVariadicFloat(self, _: Vec<Finite<f32>>) {}
-    fn PassVariadicUnrestrictedDouble(self, _: Vec<f64>) {}
-    fn PassVariadicDouble(self, _: Vec<Finite<f64>>) {}
-    fn PassVariadicString(self, _: Vec<DOMString>) {}
-    fn PassVariadicUsvstring(self, _: Vec<USVString>) {}
-    fn PassVariadicByteString(self, _: Vec<ByteString>) {}
-    fn PassVariadicEnum(self, _: Vec<TestEnum>) {}
+    fn PassVariadicBoolean(&self, _: Vec<bool>) {}
+    fn PassVariadicByte(&self, _: Vec<i8>) {}
+    fn PassVariadicOctet(&self, _: Vec<u8>) {}
+    fn PassVariadicShort(&self, _: Vec<i16>) {}
+    fn PassVariadicUnsignedShort(&self, _: Vec<u16>) {}
+    fn PassVariadicLong(&self, _: Vec<i32>) {}
+    fn PassVariadicUnsignedLong(&self, _: Vec<u32>) {}
+    fn PassVariadicLongLong(&self, _: Vec<i64>) {}
+    fn PassVariadicUnsignedLongLong(&self, _: Vec<u64>) {}
+    fn PassVariadicUnrestrictedFloat(&self, _: Vec<f32>) {}
+    fn PassVariadicFloat(&self, _: Vec<Finite<f32>>) {}
+    fn PassVariadicUnrestrictedDouble(&self, _: Vec<f64>) {}
+    fn PassVariadicDouble(&self, _: Vec<Finite<f64>>) {}
+    fn PassVariadicString(&self, _: Vec<DOMString>) {}
+    fn PassVariadicUsvstring(&self, _: Vec<USVString>) {}
+    fn PassVariadicByteString(&self, _: Vec<ByteString>) {}
+    fn PassVariadicEnum(&self, _: Vec<TestEnum>) {}
     // fn PassVariadicInterface(self, _: Vec<&Blob>) {}
-    fn PassVariadicUnion(self, _: Vec<HTMLElementOrLong>) {}
-    fn PassVariadicUnion2(self, _: Vec<EventOrString>) {}
-    fn PassVariadicUnion3(self, _: Vec<BlobOrString>) {}
-    fn PassVariadicAny(self, _: *mut JSContext, _: Vec<HandleValue>) {}
-    fn PassVariadicObject(self, _: *mut JSContext, _: Vec<*mut JSObject>) {}
+    fn PassVariadicUnion(&self, _: Vec<HTMLElementOrLong>) {}
+    fn PassVariadicUnion2(&self, _: Vec<EventOrString>) {}
+    fn PassVariadicUnion3(&self, _: Vec<BlobOrString>) {}
+    fn PassVariadicAny(&self, _: *mut JSContext, _: Vec<HandleValue>) {}
+    fn PassVariadicObject(&self, _: *mut JSContext, _: Vec<*mut JSObject>) {}
 }
 
 impl TestBinding {

servo/components/script/dom/testbindingproxy.rs

@@ -14,21 +14,21 @@ pub struct TestBindingProxy {
     reflector_: Reflector
 }
 
-impl<'a> TestBindingProxyMethods for &'a TestBindingProxy {
-    fn Length(self) -> u32 {0}
-    fn SupportedPropertyNames(self) -> Vec<DOMString> {vec![]}
-    fn GetNamedItem(self, _: DOMString) -> DOMString {"".to_owned()}
-    fn SetNamedItem(self, _: DOMString, _: DOMString) -> () {}
-    fn GetItem(self, _: u32) -> DOMString {"".to_owned()}
-    fn SetItem(self, _: u32, _: DOMString) -> () {}
-    fn RemoveItem(self, _: DOMString) -> () {}
-    fn Stringifier(self) -> DOMString {"".to_owned()}
-    fn NamedCreator(self, _: DOMString, _: DOMString) -> () {}
-    fn IndexedGetter(self, _: u32, _: &mut bool) -> DOMString {"".to_owned()}
-    fn NamedDeleter(self, _: DOMString) -> () {}
-    fn IndexedSetter(self, _: u32, _: DOMString) -> () {}
-    fn NamedSetter(self, _: DOMString, _: DOMString) -> () {}
-    fn IndexedCreator(self, _: u32, _: DOMString) -> () {}
-    fn NamedGetter(self, _: DOMString, _: &mut bool) -> DOMString {"".to_owned()}
+impl TestBindingProxyMethods for TestBindingProxy {
+    fn Length(&self) -> u32 {0}
+    fn SupportedPropertyNames(&self) -> Vec<DOMString> {vec![]}
+    fn GetNamedItem(&self, _: DOMString) -> DOMString {"".to_owned()}
+    fn SetNamedItem(&self, _: DOMString, _: DOMString) -> () {}
+    fn GetItem(&self, _: u32) -> DOMString {"".to_owned()}
+    fn SetItem(&self, _: u32, _: DOMString) -> () {}
+    fn RemoveItem(&self, _: DOMString) -> () {}
+    fn Stringifier(&self) -> DOMString {"".to_owned()}
+    fn NamedCreator(&self, _: DOMString, _: DOMString) -> () {}
+    fn IndexedGetter(&self, _: u32, _: &mut bool) -> DOMString {"".to_owned()}
+    fn NamedDeleter(&self, _: DOMString) -> () {}
+    fn IndexedSetter(&self, _: u32, _: DOMString) -> () {}
+    fn NamedSetter(&self, _: DOMString, _: DOMString) -> () {}
+    fn IndexedCreator(&self, _: u32, _: DOMString) -> () {}
+    fn NamedGetter(&self, _: DOMString, _: &mut bool) -> DOMString {"".to_owned()}
 
 }

servo/components/script/dom/text.rs

@@ -49,9 +49,9 @@ impl Text {
     }
 }
 
-impl<'a> TextMethods for &'a Text {
+impl TextMethods for Text {
     // https://dom.spec.whatwg.org/#dom-text-splittextoffset
-    fn SplitText(self, offset: u32) -> Fallible<Root<Text>> {
+    fn SplitText(&self, offset: u32) -> Fallible<Root<Text>> {
         let cdata = CharacterDataCast::from_ref(self);
         // Step 1.
         let length = cdata.Length();
@@ -87,7 +87,7 @@ impl<'a> TextMethods for &'a Text {
     }
 
     // https://dom.spec.whatwg.org/#dom-text-wholetext
-    fn WholeText(self) -> DOMString {
+    fn WholeText(&self) -> DOMString {
         let first = NodeCast::from_ref(self).inclusively_preceding_siblings()
                                             .take_while(|node| node.r().is_text())
                                             .last().unwrap();

servo/components/script/dom/textdecoder.rs

@@ -73,20 +73,20 @@ impl TextDecoder {
 }
 
 
-impl<'a> TextDecoderMethods for &'a TextDecoder {
+impl TextDecoderMethods for TextDecoder {
     // https://encoding.spec.whatwg.org/#dom-textdecoder-encoding
-    fn Encoding(self) -> DOMString {
+    fn Encoding(&self) -> DOMString {
         self.encoding.whatwg_name().unwrap().to_owned()
     }
 
     // https://encoding.spec.whatwg.org/#dom-textdecoder-fatal
-    fn Fatal(self) -> bool {
+    fn Fatal(&self) -> bool {
         self.fatal
     }
 
     #[allow(unsafe_code)]
     // https://encoding.spec.whatwg.org/#dom-textdecoder-decode
-    fn Decode(self, _cx: *mut JSContext, input: Option<*mut JSObject>)
+    fn Decode(&self, _cx: *mut JSContext, input: Option<*mut JSObject>)
               -> Fallible<USVString> {
         let input = match input {
             Some(input) => input,

servo/components/script/dom/textencoder.rs

@@ -70,15 +70,15 @@ impl TextEncoder {
     }
 }
 
-impl<'a> TextEncoderMethods for &'a TextEncoder {
+impl TextEncoderMethods for TextEncoder {
     // https://encoding.spec.whatwg.org/#dom-textencoder-encoding
-    fn Encoding(self) -> DOMString {
+    fn Encoding(&self) -> DOMString {
         self.encoding.clone()
     }
 
     #[allow(unsafe_code)]
     // https://encoding.spec.whatwg.org/#dom-textencoder-encode
-    fn Encode(self, cx: *mut JSContext, input: USVString) -> *mut JSObject {
+    fn Encode(&self, cx: *mut JSContext, input: USVString) -> *mut JSObject {
         unsafe {
             let encoded = self.encoder.encode(&input.0, EncoderTrap::Strict).unwrap();
             let length = encoded.len() as u32;

servo/components/script/dom/treewalker.rs

@@ -63,19 +63,19 @@ impl TreeWalker {
     }
 }
 
-impl<'a> TreeWalkerMethods for &'a TreeWalker {
+impl TreeWalkerMethods for TreeWalker {
     // https://dom.spec.whatwg.org/#dom-treewalker-root
-    fn Root(self) -> Root<Node> {
+    fn Root(&self) -> Root<Node> {
         self.root_node.root()
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-whattoshow
-    fn WhatToShow(self) -> u32 {
+    fn WhatToShow(&self) -> u32 {
         self.what_to_show
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-filter
-    fn GetFilter(self) -> Option<Rc<NodeFilter>> {
+    fn GetFilter(&self) -> Option<Rc<NodeFilter>> {
         match self.filter {
             Filter::None => None,
             Filter::JS(ref nf) => Some(nf.clone()),
@@ -84,17 +84,17 @@ impl<'a> TreeWalkerMethods for &'a TreeWalker {
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-currentnode
-    fn CurrentNode(self) -> Root<Node> {
+    fn CurrentNode(&self) -> Root<Node> {
         self.current_node.get().root()
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-currentnode
-    fn SetCurrentNode(self, node: &Node) {
+    fn SetCurrentNode(&self, node: &Node) {
         self.current_node.set(JS::from_ref(node));
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-parentnode
-    fn ParentNode(self) -> Fallible<Option<Root<Node>>> {
+    fn ParentNode(&self) -> Fallible<Option<Root<Node>>> {
         // "1. Let node be the value of the currentNode attribute."
         let mut node = self.current_node.get().root();
         // "2. While node is not null and is not root, run these substeps:"
@@ -118,35 +118,35 @@ impl<'a> TreeWalkerMethods for &'a TreeWalker {
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-firstchild
-    fn FirstChild(self) -> Fallible<Option<Root<Node>>> {
+    fn FirstChild(&self) -> Fallible<Option<Root<Node>>> {
         // "The firstChild() method must traverse children of type first."
         self.traverse_children(|node| node.GetFirstChild(),
                                |node| node.GetNextSibling())
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-lastchild
-    fn LastChild(self) -> Fallible<Option<Root<Node>>> {
+    fn LastChild(&self) -> Fallible<Option<Root<Node>>> {
         // "The lastChild() method must traverse children of type last."
         self.traverse_children(|node| node.GetLastChild(),
                                |node| node.GetPreviousSibling())
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-previoussibling
-    fn PreviousSibling(self) -> Fallible<Option<Root<Node>>> {
+    fn PreviousSibling(&self) -> Fallible<Option<Root<Node>>> {
         // "The nextSibling() method must traverse siblings of type next."
         self.traverse_siblings(|node| node.GetLastChild(),
                                |node| node.GetPreviousSibling())
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-nextsibling
-    fn NextSibling(self) -> Fallible<Option<Root<Node>>> {
+    fn NextSibling(&self) -> Fallible<Option<Root<Node>>> {
         // "The previousSibling() method must traverse siblings of type previous."
         self.traverse_siblings(|node| node.GetFirstChild(),
                                |node| node.GetNextSibling())
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-previousnode
-    fn PreviousNode(self) -> Fallible<Option<Root<Node>>> {
+    fn PreviousNode(&self) -> Fallible<Option<Root<Node>>> {
         // "1. Let node be the value of the currentNode attribute."
         let mut node = self.current_node.get().root();
         // "2. While node is not root, run these substeps:"
@@ -203,7 +203,7 @@ impl<'a> TreeWalkerMethods for &'a TreeWalker {
     }
 
     // https://dom.spec.whatwg.org/#dom-treewalker-nextnode
-    fn NextNode(self) -> Fallible<Option<Root<Node>>> {
+    fn NextNode(&self) -> Fallible<Option<Root<Node>>> {
         // "1. Let node be the value of the currentNode attribute."
         let mut node = self.current_node.get().root();
         // "2. Let result be FILTER_ACCEPT."

servo/components/script/dom/uievent.rs

@@ -86,19 +86,19 @@ impl UIEvent {
     }
 }
 
-impl<'a> UIEventMethods for &'a UIEvent {
+impl UIEventMethods for UIEvent {
     // https://w3c.github.io/uievents/#widl-UIEvent-view
-    fn GetView(self) -> Option<Root<Window>> {
+    fn GetView(&self) -> Option<Root<Window>> {
         self.view.get().map(Root::from_rooted)
     }
 
     // https://w3c.github.io/uievents/#widl-UIEvent-detail
-    fn Detail(self) -> i32 {
+    fn Detail(&self) -> i32 {
         self.detail.get()
     }
 
     // https://w3c.github.io/uievents/#widl-UIEvent-initUIEvent
-    fn InitUIEvent(self,
+    fn InitUIEvent(&self,
                    type_: DOMString,
                    can_bubble: bool,
                    cancelable: bool,

servo/components/script/dom/url.rs

@@ -84,59 +84,59 @@ impl URL {
     }
 }
 
-impl<'a> URLMethods for &'a URL {
+impl URLMethods for URL {
     // https://url.spec.whatwg.org/#dom-urlutils-hash
-    fn Hash(self) -> USVString {
+    fn Hash(&self) -> USVString {
         UrlHelper::Hash(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-host
-    fn Host(self) -> USVString {
+    fn Host(&self) -> USVString {
         UrlHelper::Host(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-hostname
-    fn Hostname(self) -> USVString {
+    fn Hostname(&self) -> USVString {
         UrlHelper::Hostname(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-href
-    fn Href(self) -> USVString {
+    fn Href(&self) -> USVString {
         UrlHelper::Href(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-password
-    fn Password(self) -> USVString {
+    fn Password(&self) -> USVString {
         UrlHelper::Password(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-pathname
-    fn Pathname(self) -> USVString {
+    fn Pathname(&self) -> USVString {
         UrlHelper::Pathname(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-port
-    fn Port(self) -> USVString {
+    fn Port(&self) -> USVString {
         UrlHelper::Port(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-protocol
-    fn Protocol(self) -> USVString {
+    fn Protocol(&self) -> USVString {
         UrlHelper::Protocol(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-search
-    fn Search(self) -> USVString {
+    fn Search(&self) -> USVString {
         UrlHelper::Search(&self.url)
     }
 
     // https://url.spec.whatwg.org/#URLUtils-stringification-behavior
-    fn Stringifier(self) -> DOMString {
+    fn Stringifier(&self) -> DOMString {
         self.Href().0
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-username
-    fn Username(self) -> USVString {
+    fn Username(&self) -> USVString {
         UrlHelper::Username(&self.url)
     }
 }

servo/components/script/dom/urlsearchparams.rs

@@ -58,9 +58,9 @@ impl URLSearchParams {
     }
 }
 
-impl<'a> URLSearchParamsMethods for &'a URLSearchParams {
+impl URLSearchParamsMethods for URLSearchParams {
     // https://url.spec.whatwg.org/#dom-urlsearchparams-append
-    fn Append(self, name: DOMString, value: DOMString) {
+    fn Append(&self, name: DOMString, value: DOMString) {
         // Step 1.
         self.list.borrow_mut().push((name, value));
         // Step 2.
@@ -68,7 +68,7 @@ impl<'a> URLSearchParamsMethods for &'a URLSearchParams {
     }
 
     // https://url.spec.whatwg.org/#dom-urlsearchparams-delete
-    fn Delete(self, name: DOMString) {
+    fn Delete(&self, name: DOMString) {
         // Step 1.
         self.list.borrow_mut().retain(|&(ref k, _)| k != &name);
         // Step 2.
@@ -76,7 +76,7 @@ impl<'a> URLSearchParamsMethods for &'a URLSearchParams {
     }
 
     // https://url.spec.whatwg.org/#dom-urlsearchparams-get
-    fn Get(self, name: DOMString) -> Option<DOMString> {
+    fn Get(&self, name: DOMString) -> Option<DOMString> {
         let list = self.list.borrow();
         list.iter().filter_map(|&(ref k, ref v)| {
             if k == &name {
@@ -88,13 +88,13 @@ impl<'a> URLSearchParamsMethods for &'a URLSearchParams {
     }
 
     // https://url.spec.whatwg.org/#dom-urlsearchparams-has
-    fn Has(self, name: DOMString) -> bool {
+    fn Has(&self, name: DOMString) -> bool {
         let list = self.list.borrow();
         list.iter().find(|&&(ref k, _)| k == &name).is_some()
     }
 
     // https://url.spec.whatwg.org/#dom-urlsearchparams-set
-    fn Set(self, name: DOMString, value: DOMString) {
+    fn Set(&self, name: DOMString, value: DOMString) {
         let mut list = self.list.borrow_mut();
         let mut index = None;
         let mut i = 0;
@@ -118,7 +118,7 @@ impl<'a> URLSearchParamsMethods for &'a URLSearchParams {
     }
 
     // https://url.spec.whatwg.org/#stringification-behavior
-    fn Stringifier(self) -> DOMString {
+    fn Stringifier(&self) -> DOMString {
         self.serialize(None)
     }
 }

servo/components/script/dom/webglactiveinfo.rs

@@ -34,19 +34,19 @@ impl WebGLActiveInfo {
     }
 }
 
-impl<'a> WebGLActiveInfoMethods for &'a WebGLActiveInfo {
+impl WebGLActiveInfoMethods for WebGLActiveInfo {
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.11.1
-    fn Size(self) -> i32 {
+    fn Size(&self) -> i32 {
         self.size
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.11.1
-    fn Type(self) -> u32 {
+    fn Type(&self) -> u32 {
         self.ty
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.11.1
-    fn Name(self) -> DOMString {
+    fn Name(&self) -> DOMString {
         self.name.clone()
     }
 }

servo/components/script/dom/webglrenderingcontext.rs

@@ -143,14 +143,14 @@ impl Drop for WebGLRenderingContext {
     }
 }
 
-impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
+impl WebGLRenderingContextMethods for WebGLRenderingContext {
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.1
-    fn Canvas(self) -> Root<HTMLCanvasElement> {
+    fn Canvas(&self) -> Root<HTMLCanvasElement> {
         self.canvas.root()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.1
-    fn DrawingBufferWidth(self) -> i32 {
+    fn DrawingBufferWidth(&self) -> i32 {
         let (sender, receiver) = ipc::channel().unwrap();
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::DrawingBufferWidth(sender)))
@@ -159,7 +159,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.1
-    fn DrawingBufferHeight(self) -> i32 {
+    fn DrawingBufferHeight(&self) -> i32 {
         let (sender, receiver) = ipc::channel().unwrap();
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::DrawingBufferHeight(sender)))
@@ -168,7 +168,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn GetParameter(self, cx: *mut JSContext, parameter: u32) -> JSVal {
+    fn GetParameter(&self, cx: *mut JSContext, parameter: u32) -> JSVal {
         // TODO(ecoal95): Implement the missing parameters from the spec
         let mut rval = RootedValue::new(cx, UndefinedValue());
         match parameter {
@@ -183,7 +183,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn GetError(self) -> u32 {
+    fn GetError(&self) -> u32 {
         let error_code = if let Some(error) = self.last_error.get() {
             match error {
                 WebGLError::InvalidEnum => constants::INVALID_ENUM,
@@ -200,7 +200,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.2
-    fn GetContextAttributes(self) -> Option<WebGLContextAttributes> {
+    fn GetContextAttributes(&self) -> Option<WebGLContextAttributes> {
         let (sender, receiver) = ipc::channel().unwrap();
 
         // If the send does not succeed, assume context lost
@@ -223,49 +223,49 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.14
-    fn GetExtension(self, _cx: *mut JSContext, _name: DOMString) -> *mut JSObject {
+    fn GetExtension(&self, _cx: *mut JSContext, _name: DOMString) -> *mut JSObject {
         // TODO(ecoal95) we actually do not support extensions.
         // `getSupportedExtensions` cannot be implemented as of right now (see #544)
         0 as *mut JSObject
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn ActiveTexture(self, texture: u32) {
+    fn ActiveTexture(&self, texture: u32) {
         self.ipc_renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::ActiveTexture(texture))).unwrap();
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn BlendColor(self, r: f32, g: f32, b: f32, a: f32) {
+    fn BlendColor(&self, r: f32, g: f32, b: f32, a: f32) {
         self.ipc_renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::BlendColor(r, g, b, a))).unwrap();
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn BlendEquation(self, mode: u32) {
+    fn BlendEquation(&self, mode: u32) {
         self.ipc_renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::BlendEquation(mode))).unwrap();
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn BlendEquationSeparate(self, mode_rgb: u32, mode_alpha: u32) {
+    fn BlendEquationSeparate(&self, mode_rgb: u32, mode_alpha: u32) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::BlendEquationSeparate(mode_rgb, mode_alpha)))
             .unwrap();
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn BlendFunc(self, src_factor: u32, dest_factor: u32) {
+    fn BlendFunc(&self, src_factor: u32, dest_factor: u32) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::BlendFunc(src_factor, dest_factor)))
             .unwrap();
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn BlendFuncSeparate(self, src_rgb: u32, dest_rgb: u32, src_alpha: u32, dest_alpha: u32) {
+    fn BlendFuncSeparate(&self, src_rgb: u32, dest_rgb: u32, src_alpha: u32, dest_alpha: u32) {
         self.ipc_renderer.send(
             CanvasMsg::WebGL(CanvasWebGLMsg::BlendFuncSeparate(src_rgb, dest_rgb, src_alpha, dest_alpha))).unwrap();
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn AttachShader(self, program: Option<&WebGLProgram>, shader: Option<&WebGLShader>) {
+    fn AttachShader(&self, program: Option<&WebGLProgram>, shader: Option<&WebGLShader>) {
         if let Some(program) = program {
             if let Some(shader) = shader {
                 handle_potential_webgl_error!(self, program.attach_shader(shader));
@@ -274,7 +274,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.5
-    fn BindBuffer(self, target: u32, buffer: Option<&WebGLBuffer>) {
+    fn BindBuffer(&self, target: u32, buffer: Option<&WebGLBuffer>) {
         match target {
             constants::ARRAY_BUFFER |
             constants::ELEMENT_ARRAY_BUFFER => (),
@@ -293,7 +293,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.6
-    fn BindFramebuffer(self, target: u32, framebuffer: Option<&WebGLFramebuffer>) {
+    fn BindFramebuffer(&self, target: u32, framebuffer: Option<&WebGLFramebuffer>) {
         if target != constants::FRAMEBUFFER {
             return self.webgl_error(InvalidOperation);
         }
@@ -308,7 +308,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.7
-    fn BindRenderbuffer(self, target: u32, renderbuffer: Option<&WebGLRenderbuffer>) {
+    fn BindRenderbuffer(&self, target: u32, renderbuffer: Option<&WebGLRenderbuffer>) {
         if target != constants::RENDERBUFFER {
             return self.webgl_error(InvalidEnum);
         }
@@ -324,7 +324,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8
-    fn BindTexture(self, target: u32, texture: Option<&WebGLTexture>) {
+    fn BindTexture(&self, target: u32, texture: Option<&WebGLTexture>) {
         let slot = match target {
             constants::TEXTURE_2D => &self.bound_texture_2d,
             constants::TEXTURE_CUBE_MAP => &self.bound_texture_cube_map,
@@ -347,7 +347,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
 
     #[allow(unsafe_code)]
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.5
-    fn BufferData(self, _cx: *mut JSContext, target: u32, data: Option<*mut JSObject>, usage: u32) {
+    fn BufferData(&self, _cx: *mut JSContext, target: u32, data: Option<*mut JSObject>, usage: u32) {
         let data = match data {
             Some(data) => data,
             None => return,
@@ -369,41 +369,41 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.11
-    fn Clear(self, mask: u32) {
+    fn Clear(&self, mask: u32) {
         self.ipc_renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::Clear(mask))).unwrap();
         self.mark_as_dirty();
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn ClearColor(self, red: f32, green: f32, blue: f32, alpha: f32) {
+    fn ClearColor(&self, red: f32, green: f32, blue: f32, alpha: f32) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::ClearColor(red, green, blue, alpha)))
             .unwrap()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn ClearDepth(self, depth: f32) {
+    fn ClearDepth(&self, depth: f32) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::ClearDepth(depth as f64)))
             .unwrap()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn ClearStencil(self, stencil: i32) {
+    fn ClearStencil(&self, stencil: i32) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::ClearStencil(stencil)))
             .unwrap()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn ColorMask(self, r: bool, g: bool, b: bool, a: bool) {
+    fn ColorMask(&self, r: bool, g: bool, b: bool, a: bool) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::ColorMask(r, g, b, a)))
             .unwrap()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn CullFace(self, mode: u32) {
+    fn CullFace(&self, mode: u32) {
         match mode {
             constants::FRONT | constants::BACK | constants::FRONT_AND_BACK =>
                 self.ipc_renderer
@@ -414,7 +414,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn FrontFace(self, mode: u32) {
+    fn FrontFace(&self, mode: u32) {
         match mode {
             constants::CW | constants::CCW =>
                 self.ipc_renderer
@@ -424,7 +424,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
         }
     }
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn DepthFunc(self, func: u32) {
+    fn DepthFunc(&self, func: u32) {
         match func {
             constants::NEVER | constants::LESS |
             constants::EQUAL | constants::LEQUAL |
@@ -438,21 +438,21 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn DepthMask(self, flag: bool) {
+    fn DepthMask(&self, flag: bool) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::DepthMask(flag)))
             .unwrap()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn DepthRange(self, near: f32, far: f32) {
+    fn DepthRange(&self, near: f32, far: f32) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::DepthRange(near as f64, far as f64)))
             .unwrap()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn Enable(self, cap: u32) {
+    fn Enable(&self, cap: u32) {
         match cap {
             constants::BLEND | constants::CULL_FACE | constants::DEPTH_TEST | constants::DITHER |
             constants::POLYGON_OFFSET_FILL | constants::SAMPLE_ALPHA_TO_COVERAGE | constants::SAMPLE_COVERAGE |
@@ -465,7 +465,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn Disable(self, cap: u32) {
+    fn Disable(&self, cap: u32) {
         match cap {
             constants::BLEND | constants::CULL_FACE | constants::DEPTH_TEST | constants::DITHER |
             constants::POLYGON_OFFSET_FILL | constants::SAMPLE_ALPHA_TO_COVERAGE | constants::SAMPLE_COVERAGE |
@@ -478,7 +478,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn CompileShader(self, shader: Option<&WebGLShader>) {
+    fn CompileShader(&self, shader: Option<&WebGLShader>) {
         if let Some(shader) = shader {
             shader.compile()
         }
@@ -487,81 +487,81 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     // TODO(ecoal95): Probably in the future we should keep track of the
     // generated objects, either here or in the webgl task
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.5
-    fn CreateBuffer(self) -> Option<Root<WebGLBuffer>> {
+    fn CreateBuffer(&self) -> Option<Root<WebGLBuffer>> {
         WebGLBuffer::maybe_new(self.global.root().r(), self.ipc_renderer.clone())
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.6
-    fn CreateFramebuffer(self) -> Option<Root<WebGLFramebuffer>> {
+    fn CreateFramebuffer(&self) -> Option<Root<WebGLFramebuffer>> {
         WebGLFramebuffer::maybe_new(self.global.root().r(), self.ipc_renderer.clone())
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.7
-    fn CreateRenderbuffer(self) -> Option<Root<WebGLRenderbuffer>> {
+    fn CreateRenderbuffer(&self) -> Option<Root<WebGLRenderbuffer>> {
         WebGLRenderbuffer::maybe_new(self.global.root().r(), self.ipc_renderer.clone())
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8
-    fn CreateTexture(self) -> Option<Root<WebGLTexture>> {
+    fn CreateTexture(&self) -> Option<Root<WebGLTexture>> {
         WebGLTexture::maybe_new(self.global.root().r(), self.ipc_renderer.clone())
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn CreateProgram(self) -> Option<Root<WebGLProgram>> {
+    fn CreateProgram(&self) -> Option<Root<WebGLProgram>> {
         WebGLProgram::maybe_new(self.global.root().r(), self.ipc_renderer.clone())
     }
 
     // TODO(ecoal95): Check if constants are cross-platform or if we must make a translation
     // between WebGL constants and native ones.
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn CreateShader(self, shader_type: u32) -> Option<Root<WebGLShader>> {
+    fn CreateShader(&self, shader_type: u32) -> Option<Root<WebGLShader>> {
         WebGLShader::maybe_new(self.global.root().r(), self.ipc_renderer.clone(), shader_type)
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.5
-    fn DeleteBuffer(self, buffer: Option<&WebGLBuffer>) {
+    fn DeleteBuffer(&self, buffer: Option<&WebGLBuffer>) {
         if let Some(buffer) = buffer {
             buffer.delete()
         }
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.6
-    fn DeleteFramebuffer(self, framebuffer: Option<&WebGLFramebuffer>) {
+    fn DeleteFramebuffer(&self, framebuffer: Option<&WebGLFramebuffer>) {
         if let Some(framebuffer) = framebuffer {
             framebuffer.delete()
         }
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.7
-    fn DeleteRenderbuffer(self, renderbuffer: Option<&WebGLRenderbuffer>) {
+    fn DeleteRenderbuffer(&self, renderbuffer: Option<&WebGLRenderbuffer>) {
         if let Some(renderbuffer) = renderbuffer {
             renderbuffer.delete()
         }
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8
-    fn DeleteTexture(self, texture: Option<&WebGLTexture>) {
+    fn DeleteTexture(&self, texture: Option<&WebGLTexture>) {
         if let Some(texture) = texture {
             texture.delete()
         }
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn DeleteProgram(self, program: Option<&WebGLProgram>) {
+    fn DeleteProgram(&self, program: Option<&WebGLProgram>) {
         if let Some(program) = program {
             program.delete()
         }
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn DeleteShader(self, shader: Option<&WebGLShader>) {
+    fn DeleteShader(&self, shader: Option<&WebGLShader>) {
         if let Some(shader) = shader {
             shader.delete()
         }
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.11
-    fn DrawArrays(self, mode: u32, first: i32, count: i32) {
+    fn DrawArrays(&self, mode: u32, first: i32, count: i32) {
         match mode {
             constants::POINTS | constants::LINE_STRIP |
             constants::LINE_LOOP | constants::LINES |
@@ -583,14 +583,14 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
-    fn EnableVertexAttribArray(self, attrib_id: u32) {
+    fn EnableVertexAttribArray(&self, attrib_id: u32) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::EnableVertexAttribArray(attrib_id)))
             .unwrap()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
-    fn GetAttribLocation(self, program: Option<&WebGLProgram>, name: DOMString) -> i32 {
+    fn GetAttribLocation(&self, program: Option<&WebGLProgram>, name: DOMString) -> i32 {
         if let Some(program) = program {
             handle_potential_webgl_error!(self, program.get_attrib_location(name), None).unwrap_or(-1)
         } else {
@@ -599,7 +599,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn GetShaderInfoLog(self, shader: Option<&WebGLShader>) -> Option<DOMString> {
+    fn GetShaderInfoLog(&self, shader: Option<&WebGLShader>) -> Option<DOMString> {
         if let Some(shader) = shader {
             shader.info_log()
         } else {
@@ -608,7 +608,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn GetShaderParameter(self, _: *mut JSContext, shader: Option<&WebGLShader>, param_id: u32) -> JSVal {
+    fn GetShaderParameter(&self, _: *mut JSContext, shader: Option<&WebGLShader>, param_id: u32) -> JSVal {
         if let Some(shader) = shader {
             match handle_potential_webgl_error!(self, shader.parameter(param_id), WebGLShaderParameter::Invalid) {
                 WebGLShaderParameter::Int(val) => Int32Value(val),
@@ -621,7 +621,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
-    fn GetUniformLocation(self,
+    fn GetUniformLocation(&self,
                           program: Option<&WebGLProgram>,
                           name: DOMString) -> Option<Root<WebGLUniformLocation>> {
         if let Some(program) = program {
@@ -633,7 +633,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn Hint(self, target: u32, mode: u32) {
+    fn Hint(&self, target: u32, mode: u32) {
         if target != constants::GENERATE_MIPMAP_HINT {
             return self.webgl_error(InvalidEnum);
         }
@@ -652,7 +652,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn LineWidth(self, width: f32) {
+    fn LineWidth(&self, width: f32) {
         if width.is_nan() || width <= 0f32 {
             return self.webgl_error(InvalidValue);
         }
@@ -665,7 +665,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     // NOTE: Usage of this function could affect rendering while we keep using
     //   readback to render to the page.
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn PixelStorei(self, param_name: u32, param_value: i32) {
+    fn PixelStorei(&self, param_name: u32, param_value: i32) {
         let mut texture_settings = self.texture_unpacking_settings.get();
         match param_name {
             constants::UNPACK_FLIP_Y_WEBGL => {
@@ -716,28 +716,28 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
-    fn PolygonOffset(self, factor: f32, units: f32) {
+    fn PolygonOffset(&self, factor: f32, units: f32) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::PolygonOffset(factor, units)))
             .unwrap()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn LinkProgram(self, program: Option<&WebGLProgram>) {
+    fn LinkProgram(&self, program: Option<&WebGLProgram>) {
         if let Some(program) = program {
             program.link()
         }
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn ShaderSource(self, shader: Option<&WebGLShader>, source: DOMString) {
+    fn ShaderSource(&self, shader: Option<&WebGLShader>, source: DOMString) {
         if let Some(shader) = shader {
             shader.set_source(source)
         }
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn GetShaderSource(self, shader: Option<&WebGLShader>) -> Option<DOMString> {
+    fn GetShaderSource(&self, shader: Option<&WebGLShader>) -> Option<DOMString> {
         if let Some(shader) = shader {
             shader.source()
         } else {
@@ -747,7 +747,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
 
     #[allow(unsafe_code)]
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
-    fn Uniform4fv(self,
+    fn Uniform4fv(&self,
                   _cx: *mut JSContext,
                   uniform: Option<&WebGLUniformLocation>,
                   data: Option<*mut JSObject>) {
@@ -771,14 +771,14 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
-    fn UseProgram(self, program: Option<&WebGLProgram>) {
+    fn UseProgram(&self, program: Option<&WebGLProgram>) {
         if let Some(program) = program {
             program.use_program()
         }
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.10
-    fn VertexAttribPointer(self, attrib_id: u32, size: i32, data_type: u32,
+    fn VertexAttribPointer(&self, attrib_id: u32, size: i32, data_type: u32,
                            normalized: bool, stride: i32, offset: i64) {
         if let constants::FLOAT = data_type {
            let msg = CanvasMsg::WebGL(
@@ -790,14 +790,14 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.4
-    fn Viewport(self, x: i32, y: i32, width: i32, height: i32) {
+    fn Viewport(&self, x: i32, y: i32, width: i32, height: i32) {
         self.ipc_renderer
             .send(CanvasMsg::WebGL(CanvasWebGLMsg::Viewport(x, y, width, height)))
             .unwrap()
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8
-    fn TexImage2D(self,
+    fn TexImage2D(&self,
                   target: u32,
                   level: i32,
                   internal_format: u32,
@@ -868,7 +868,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8
-    fn TexParameterf(self, target: u32, name: u32, value: f32) {
+    fn TexParameterf(&self, target: u32, name: u32, value: f32) {
         match target {
             constants::TEXTURE_2D |
             constants::TEXTURE_CUBE_MAP => {
@@ -886,7 +886,7 @@ impl<'a> WebGLRenderingContextMethods for &'a WebGLRenderingContext {
     }
 
     // https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8
-    fn TexParameteri(self, target: u32, name: u32, value: i32) {
+    fn TexParameteri(&self, target: u32, name: u32, value: i32) {
         match target {
             constants::TEXTURE_2D |
             constants::TEXTURE_CUBE_MAP => {

servo/components/script/dom/webglshaderprecisionformat.rs

@@ -38,19 +38,19 @@ impl WebGLShaderPrecisionFormat {
     }
 }
 
-impl<'a> WebGLShaderPrecisionFormatMethods for &'a WebGLShaderPrecisionFormat {
+impl WebGLShaderPrecisionFormatMethods for WebGLShaderPrecisionFormat {
     // https://www.khronos.org/registry/webgl/specs/1.0/#5.12.1
-    fn RangeMin(self) -> i32 {
+    fn RangeMin(&self) -> i32 {
         self.range_min
     }
 
     // https://www.khronos.org/registry/webgl/specs/1.0/#5.12.1
-    fn RangeMax(self) -> i32 {
+    fn RangeMax(&self) -> i32 {
         self.range_max
     }
 
     // https://www.khronos.org/registry/webgl/specs/1.0/#5.12.1
-    fn Precision(self) -> i32 {
+    fn Precision(&self) -> i32 {
         self.precision
     }
 }

servo/components/script/dom/websocket.rs

@@ -226,34 +226,34 @@ impl WebSocket {
     }
 }
 
-impl<'a> WebSocketMethods for &'a WebSocket {
+impl WebSocketMethods for WebSocket {
     event_handler!(open, GetOnopen, SetOnopen);
     event_handler!(close, GetOnclose, SetOnclose);
     event_handler!(error, GetOnerror, SetOnerror);
     event_handler!(message, GetOnmessage, SetOnmessage);
 
     // https://html.spec.whatwg.org/multipage/#dom-websocket-url
-    fn Url(self) -> DOMString {
+    fn Url(&self) -> DOMString {
         self.url.serialize()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-websocket-readystate
-    fn ReadyState(self) -> u16 {
+    fn ReadyState(&self) -> u16 {
         self.ready_state.get() as u16
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-websocket-binarytype
-    fn BinaryType(self) -> BinaryType {
+    fn BinaryType(&self) -> BinaryType {
         self.binary_type.get()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-websocket-binarytype
-    fn SetBinaryType(self, btype: BinaryType) {
+    fn SetBinaryType(&self, btype: BinaryType) {
         self.binary_type.set(btype)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-websocket-send
-    fn Send(self, data: Option<USVString>) -> Fallible<()> {
+    fn Send(&self, data: Option<USVString>) -> Fallible<()> {
         match self.ready_state.get() {
             WebSocketRequestState::Connecting => {
                 return Err(Error::InvalidState);
@@ -280,7 +280,7 @@ impl<'a> WebSocketMethods for &'a WebSocket {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-websocket-close
-    fn Close(self, code: Option<u16>, reason: Option<USVString>) -> Fallible<()>{
+    fn Close(&self, code: Option<u16>, reason: Option<USVString>) -> Fallible<()>{
         fn send_close(this: &WebSocket) {
             this.ready_state.set(WebSocketRequestState::Closing);
 

servo/components/script/dom/window.rs

@@ -356,9 +356,9 @@ pub fn base64_atob(input: DOMString) -> Fallible<DOMString> {
     }
 }
 
-impl<'a> WindowMethods for &'a Window {
+impl WindowMethods for Window {
     // https://html.spec.whatwg.org/#dom-alert
-    fn Alert(self, s: DOMString) {
+    fn Alert(&self, s: DOMString) {
         // Right now, just print to the console
         // Ensure that stderr doesn't trample through the alert() we use to
         // communicate test results.
@@ -372,52 +372,52 @@ impl<'a> WindowMethods for &'a Window {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-window-close
-    fn Close(self) {
+    fn Close(&self) {
         self.main_thread_script_chan().send(MainThreadScriptMsg::ExitWindow(self.id.clone())).unwrap();
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-document-0
-    fn Document(self) -> Root<Document> {
+    fn Document(&self) -> Root<Document> {
         self.browsing_context().as_ref().unwrap().active_document()
     }
 
     // https://html.spec.whatwg.org/#dom-location
-    fn Location(self) -> Root<Location> {
+    fn Location(&self) -> Root<Location> {
         self.Document().r().Location()
     }
 
     // https://html.spec.whatwg.org/#dom-sessionstorage
-    fn SessionStorage(self) -> Root<Storage> {
+    fn SessionStorage(&self) -> Root<Storage> {
         self.session_storage.or_init(|| Storage::new(&GlobalRef::Window(self), StorageType::Session))
     }
 
     // https://html.spec.whatwg.org/#dom-localstorage
-    fn LocalStorage(self) -> Root<Storage> {
+    fn LocalStorage(&self) -> Root<Storage> {
         self.local_storage.or_init(|| Storage::new(&GlobalRef::Window(self), StorageType::Local))
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/Console
-    fn Console(self) -> Root<Console> {
+    fn Console(&self) -> Root<Console> {
         self.console.or_init(|| Console::new(GlobalRef::Window(self)))
     }
 
     // https://dvcs.w3.org/hg/webcrypto-api/raw-file/tip/spec/Overview.html#dfn-GlobalCrypto
-    fn Crypto(self) -> Root<Crypto> {
+    fn Crypto(&self) -> Root<Crypto> {
         self.crypto.or_init(|| Crypto::new(GlobalRef::Window(self)))
     }
 
     // https://html.spec.whatwg.org/#dom-frameelement
-    fn GetFrameElement(self) -> Option<Root<Element>> {
+    fn GetFrameElement(&self) -> Option<Root<Element>> {
         self.browsing_context().as_ref().unwrap().frame_element()
     }
 
     // https://html.spec.whatwg.org/#dom-navigator
-    fn Navigator(self) -> Root<Navigator> {
+    fn Navigator(&self) -> Root<Navigator> {
         self.navigator.or_init(|| Navigator::new(self))
     }
 
     // https://html.spec.whatwg.org/#dom-windowtimers-settimeout
-    fn SetTimeout(self, _cx: *mut JSContext, callback: Rc<Function>, timeout: i32, args: Vec<HandleValue>) -> i32 {
+    fn SetTimeout(&self, _cx: *mut JSContext, callback: Rc<Function>, timeout: i32, args: Vec<HandleValue>) -> i32 {
         self.timers.set_timeout_or_interval(TimerCallback::FunctionTimerCallback(callback),
                                             args,
                                             timeout,
@@ -427,7 +427,7 @@ impl<'a> WindowMethods for &'a Window {
     }
 
     // https://html.spec.whatwg.org/#dom-windowtimers-settimeout
-    fn SetTimeout_(self, _cx: *mut JSContext, callback: DOMString, timeout: i32, args: Vec<HandleValue>) -> i32 {
+    fn SetTimeout_(&self, _cx: *mut JSContext, callback: DOMString, timeout: i32, args: Vec<HandleValue>) -> i32 {
         self.timers.set_timeout_or_interval(TimerCallback::StringTimerCallback(callback),
                                             args,
                                             timeout,
@@ -437,12 +437,12 @@ impl<'a> WindowMethods for &'a Window {
     }
 
     // https://html.spec.whatwg.org/#dom-windowtimers-cleartimeout
-    fn ClearTimeout(self, handle: i32) {
+    fn ClearTimeout(&self, handle: i32) {
         self.timers.clear_timeout_or_interval(handle);
     }
 
     // https://html.spec.whatwg.org/#dom-windowtimers-setinterval
-    fn SetInterval(self, _cx: *mut JSContext, callback: Rc<Function>, timeout: i32, args: Vec<HandleValue>) -> i32 {
+    fn SetInterval(&self, _cx: *mut JSContext, callback: Rc<Function>, timeout: i32, args: Vec<HandleValue>) -> i32 {
         self.timers.set_timeout_or_interval(TimerCallback::FunctionTimerCallback(callback),
                                             args,
                                             timeout,
@@ -452,7 +452,7 @@ impl<'a> WindowMethods for &'a Window {
     }
 
     // https://html.spec.whatwg.org/#dom-windowtimers-setinterval
-    fn SetInterval_(self, _cx: *mut JSContext, callback: DOMString, timeout: i32, args: Vec<HandleValue>) -> i32 {
+    fn SetInterval_(&self, _cx: *mut JSContext, callback: DOMString, timeout: i32, args: Vec<HandleValue>) -> i32 {
         self.timers.set_timeout_or_interval(TimerCallback::StringTimerCallback(callback),
                                             args,
                                             timeout,
@@ -462,32 +462,32 @@ impl<'a> WindowMethods for &'a Window {
     }
 
     // https://html.spec.whatwg.org/#dom-windowtimers-clearinterval
-    fn ClearInterval(self, handle: i32) {
+    fn ClearInterval(&self, handle: i32) {
         self.ClearTimeout(handle);
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-window
-    fn Window(self) -> Root<Window> {
+    fn Window(&self) -> Root<Window> {
         Root::from_ref(self)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-self
-    fn Self_(self) -> Root<Window> {
+    fn Self_(&self) -> Root<Window> {
         self.Window()
     }
 
     // https://www.whatwg.org/html/#dom-frames
-    fn Frames(self) -> Root<Window> {
+    fn Frames(&self) -> Root<Window> {
         self.Window()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-parent
-    fn Parent(self) -> Root<Window> {
+    fn Parent(&self) -> Root<Window> {
         self.parent().unwrap_or(self.Window())
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-top
-    fn Top(self) -> Root<Window> {
+    fn Top(&self) -> Root<Window> {
         let mut window = self.Window();
         while let Some(parent) = window.parent() {
             window = parent;
@@ -497,7 +497,7 @@ impl<'a> WindowMethods for &'a Window {
 
     // https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/
     // NavigationTiming/Overview.html#sec-window.performance-attribute
-    fn Performance(self) -> Root<Performance> {
+    fn Performance(&self) -> Root<Performance> {
         self.performance.or_init(|| {
             Performance::new(self, self.navigation_start,
                              self.navigation_start_precise)
@@ -509,22 +509,22 @@ impl<'a> WindowMethods for &'a Window {
     error_event_handler!(error, GetOnerror, SetOnerror);
 
     // https://developer.mozilla.org/en-US/docs/Web/API/Window/screen
-    fn Screen(self) -> Root<Screen> {
+    fn Screen(&self) -> Root<Screen> {
         self.screen.or_init(|| Screen::new(self))
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowbase64-btoa
-    fn Btoa(self, btoa: DOMString) -> Fallible<DOMString> {
+    fn Btoa(&self, btoa: DOMString) -> Fallible<DOMString> {
         base64_btoa(btoa)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowbase64-atob
-    fn Atob(self, atob: DOMString) -> Fallible<DOMString> {
+    fn Atob(&self, atob: DOMString) -> Fallible<DOMString> {
         base64_atob(atob)
     }
 
     /// https://html.spec.whatwg.org/multipage/#dom-window-requestanimationframe
-    fn RequestAnimationFrame(self, callback: Rc<FrameRequestCallback>) -> i32 {
+    fn RequestAnimationFrame(&self, callback: Rc<FrameRequestCallback>) -> i32 {
         let doc = self.Document();
 
         let callback  = move |now: f64| {
@@ -537,38 +537,38 @@ impl<'a> WindowMethods for &'a Window {
     }
 
     /// https://html.spec.whatwg.org/multipage/#dom-window-cancelanimationframe
-    fn CancelAnimationFrame(self, ident: i32) {
+    fn CancelAnimationFrame(&self, ident: i32) {
         let doc = self.Document();
         doc.r().cancel_animation_frame(ident);
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-window-captureevents
-    fn CaptureEvents(self) {
+    fn CaptureEvents(&self) {
         // This method intentionally does nothing
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-window-releaseevents
-    fn ReleaseEvents(self) {
+    fn ReleaseEvents(&self) {
         // This method intentionally does nothing
     }
 
     // check-tidy: no specs after this line
-    fn Debug(self, message: DOMString) {
+    fn Debug(&self, message: DOMString) {
         debug!("{}", message);
     }
 
     #[allow(unsafe_code)]
-    fn Gc(self) {
+    fn Gc(&self) {
         unsafe {
             JS_GC(JS_GetRuntime(self.get_cx()));
         }
     }
 
-    fn Trap(self) {
+    fn Trap(&self) {
         breakpoint();
     }
 
-    fn WebdriverCallback(self, cx: *mut JSContext, val: HandleValue) {
+    fn WebdriverCallback(&self, cx: *mut JSContext, val: HandleValue) {
         let rv = jsval_to_webdriver(cx, val);
         let opt_chan = self.webdriver_script_chan.borrow_mut().take();
         if let Some(chan) = opt_chan {
@@ -576,7 +576,7 @@ impl<'a> WindowMethods for &'a Window {
         }
     }
 
-    fn WebdriverTimeout(self) {
+    fn WebdriverTimeout(&self) {
         let opt_chan = self.webdriver_script_chan.borrow_mut().take();
         if let Some(chan) = opt_chan {
             chan.send(Err(WebDriverJSError::Timeout)).unwrap();
@@ -584,7 +584,7 @@ impl<'a> WindowMethods for &'a Window {
     }
 
     // https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle
-    fn GetComputedStyle(self,
+    fn GetComputedStyle(&self,
                         element: &Element,
                         pseudo: Option<DOMString>) -> Root<CSSStyleDeclaration> {
         // Steps 1-4.

servo/components/script/dom/worker.rs

@@ -153,9 +153,9 @@ impl Worker {
     }
 }
 
-impl<'a> WorkerMethods for &'a Worker {
+impl WorkerMethods for Worker {
     // https://html.spec.whatwg.org/multipage/#dom-dedicatedworkerglobalscope-postmessage
-    fn PostMessage(self, cx: *mut JSContext, message: HandleValue) -> ErrorResult {
+    fn PostMessage(&self, cx: *mut JSContext, message: HandleValue) -> ErrorResult {
         let data = try!(StructuredCloneData::write(cx, message));
         let address = Trusted::new(cx, self, self.global.root().r().script_chan().clone());
         self.sender.send((address, WorkerScriptMsg::DOMMessage(data))).unwrap();

servo/components/script/dom/workerglobalscope.rs

@@ -161,21 +161,21 @@ impl WorkerGlobalScope {
     }
 }
 
-impl<'a> WorkerGlobalScopeMethods for &'a WorkerGlobalScope {
+impl WorkerGlobalScopeMethods for WorkerGlobalScope {
     // https://html.spec.whatwg.org/multipage/#dom-workerglobalscope-self
-    fn Self_(self) -> Root<WorkerGlobalScope> {
+    fn Self_(&self) -> Root<WorkerGlobalScope> {
         Root::from_ref(self)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-workerglobalscope-location
-    fn Location(self) -> Root<WorkerLocation> {
+    fn Location(&self) -> Root<WorkerLocation> {
         self.location.or_init(|| {
             WorkerLocation::new(self, self.worker_url.clone())
         })
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-workerglobalscope-importscripts
-    fn ImportScripts(self, url_strings: Vec<DOMString>) -> ErrorResult {
+    fn ImportScripts(&self, url_strings: Vec<DOMString>) -> ErrorResult {
         let mut urls = Vec::with_capacity(url_strings.len());
         for url in url_strings {
             let url = UrlParser::new().base_url(&self.worker_url)
@@ -208,32 +208,32 @@ impl<'a> WorkerGlobalScopeMethods for &'a WorkerGlobalScope {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-worker-navigator
-    fn Navigator(self) -> Root<WorkerNavigator> {
+    fn Navigator(&self) -> Root<WorkerNavigator> {
         self.navigator.or_init(|| WorkerNavigator::new(self))
     }
 
     // https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/console
-    fn Console(self) -> Root<Console> {
+    fn Console(&self) -> Root<Console> {
         self.console.or_init(|| Console::new(GlobalRef::Worker(self)))
     }
 
     // https://html.spec.whatwg.org/multipage/#dfn-Crypto
-    fn Crypto(self) -> Root<Crypto> {
+    fn Crypto(&self) -> Root<Crypto> {
         self.crypto.or_init(|| Crypto::new(GlobalRef::Worker(self)))
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowbase64-btoa
-    fn Btoa(self, btoa: DOMString) -> Fallible<DOMString> {
+    fn Btoa(&self, btoa: DOMString) -> Fallible<DOMString> {
         base64_btoa(btoa)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowbase64-atob
-    fn Atob(self, atob: DOMString) -> Fallible<DOMString> {
+    fn Atob(&self, atob: DOMString) -> Fallible<DOMString> {
         base64_atob(atob)
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowtimers-setinterval
-    fn SetTimeout(self, _cx: *mut JSContext, callback: Rc<Function>, timeout: i32, args: Vec<HandleValue>) -> i32 {
+    fn SetTimeout(&self, _cx: *mut JSContext, callback: Rc<Function>, timeout: i32, args: Vec<HandleValue>) -> i32 {
         self.timers.set_timeout_or_interval(TimerCallback::FunctionTimerCallback(callback),
                                             args,
                                             timeout,
@@ -243,7 +243,7 @@ impl<'a> WorkerGlobalScopeMethods for &'a WorkerGlobalScope {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowtimers-setinterval
-    fn SetTimeout_(self, _cx: *mut JSContext, callback: DOMString, timeout: i32, args: Vec<HandleValue>) -> i32 {
+    fn SetTimeout_(&self, _cx: *mut JSContext, callback: DOMString, timeout: i32, args: Vec<HandleValue>) -> i32 {
         self.timers.set_timeout_or_interval(TimerCallback::StringTimerCallback(callback),
                                             args,
                                             timeout,
@@ -253,12 +253,12 @@ impl<'a> WorkerGlobalScopeMethods for &'a WorkerGlobalScope {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowtimers-clearinterval
-    fn ClearTimeout(self, handle: i32) {
+    fn ClearTimeout(&self, handle: i32) {
         self.timers.clear_timeout_or_interval(handle);
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowtimers-setinterval
-    fn SetInterval(self, _cx: *mut JSContext, callback: Rc<Function>, timeout: i32, args: Vec<HandleValue>) -> i32 {
+    fn SetInterval(&self, _cx: *mut JSContext, callback: Rc<Function>, timeout: i32, args: Vec<HandleValue>) -> i32 {
         self.timers.set_timeout_or_interval(TimerCallback::FunctionTimerCallback(callback),
                                             args,
                                             timeout,
@@ -268,7 +268,7 @@ impl<'a> WorkerGlobalScopeMethods for &'a WorkerGlobalScope {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowtimers-setinterval
-    fn SetInterval_(self, _cx: *mut JSContext, callback: DOMString, timeout: i32, args: Vec<HandleValue>) -> i32 {
+    fn SetInterval_(&self, _cx: *mut JSContext, callback: DOMString, timeout: i32, args: Vec<HandleValue>) -> i32 {
         self.timers.set_timeout_or_interval(TimerCallback::StringTimerCallback(callback),
                                             args,
                                             timeout,
@@ -278,7 +278,7 @@ impl<'a> WorkerGlobalScopeMethods for &'a WorkerGlobalScope {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-windowtimers-clearinterval
-    fn ClearInterval(self, handle: i32) {
+    fn ClearInterval(&self, handle: i32) {
         self.ClearTimeout(handle);
     }
 }

servo/components/script/dom/workerlocation.rs

@@ -36,49 +36,49 @@ impl WorkerLocation {
     }
 }
 
-impl<'a> WorkerLocationMethods for &'a WorkerLocation {
+impl WorkerLocationMethods for WorkerLocation {
     // https://url.spec.whatwg.org/#dom-urlutils-hash
-    fn Hash(self) -> USVString {
+    fn Hash(&self) -> USVString {
         UrlHelper::Hash(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-host
-    fn Host(self) -> USVString {
+    fn Host(&self) -> USVString {
         UrlHelper::Host(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-hostname
-    fn Hostname(self) -> USVString {
+    fn Hostname(&self) -> USVString {
         UrlHelper::Hostname(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-href
-    fn Href(self) -> USVString {
+    fn Href(&self) -> USVString {
         UrlHelper::Href(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-pathname
-    fn Pathname(self) -> USVString {
+    fn Pathname(&self) -> USVString {
         UrlHelper::Pathname(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-port
-    fn Port(self) -> USVString {
+    fn Port(&self) -> USVString {
         UrlHelper::Port(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-protocol
-    fn Protocol(self) -> USVString {
+    fn Protocol(&self) -> USVString {
         UrlHelper::Protocol(&self.url)
     }
 
     // https://url.spec.whatwg.org/#dom-urlutils-search
-    fn Search(self) -> USVString {
+    fn Search(&self) -> USVString {
         UrlHelper::Search(&self.url)
     }
 
     // https://url.spec.whatwg.org/#URLUtils-stringification-behavior
-    fn Stringifier(self) -> DOMString {
+    fn Stringifier(&self) -> DOMString {
         self.Href().0
     }
 }

servo/components/script/dom/workernavigator.rs

@@ -31,39 +31,39 @@ impl WorkerNavigator {
     }
 }
 
-impl<'a> WorkerNavigatorMethods for &'a WorkerNavigator {
+impl WorkerNavigatorMethods for WorkerNavigator {
     // https://html.spec.whatwg.org/multipage/#dom-navigator-product
-    fn Product(self) -> DOMString {
+    fn Product(&self) -> DOMString {
         navigatorinfo::Product()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-taintenabled
-    fn TaintEnabled(self) -> bool {
+    fn TaintEnabled(&self) -> bool {
         navigatorinfo::TaintEnabled()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-appname
-    fn AppName(self) -> DOMString {
+    fn AppName(&self) -> DOMString {
         navigatorinfo::AppName()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-appcodename
-    fn AppCodeName(self) -> DOMString {
+    fn AppCodeName(&self) -> DOMString {
         navigatorinfo::AppCodeName()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-platform
-    fn Platform(self) -> DOMString {
+    fn Platform(&self) -> DOMString {
         navigatorinfo::Platform()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-useragent
-    fn UserAgent(self) -> DOMString {
+    fn UserAgent(&self) -> DOMString {
         navigatorinfo::UserAgent()
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-navigator-appversion
-    fn AppVersion(self) -> DOMString {
+    fn AppVersion(&self) -> DOMString {
         navigatorinfo::AppVersion()
     }
 }

servo/components/script/dom/xmlhttprequest.rs

@@ -291,16 +291,16 @@ impl XMLHttpRequest {
     }
 }
 
-impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
+impl XMLHttpRequestMethods for XMLHttpRequest {
     event_handler!(readystatechange, GetOnreadystatechange, SetOnreadystatechange);
 
     // https://xhr.spec.whatwg.org/#dom-xmlhttprequest-readystate
-    fn ReadyState(self) -> u16 {
+    fn ReadyState(&self) -> u16 {
         self.ready_state.get() as u16
     }
 
     // https://xhr.spec.whatwg.org/#the-open()-method
-    fn Open(self, method: ByteString, url: DOMString) -> ErrorResult {
+    fn Open(&self, method: ByteString, url: DOMString) -> ErrorResult {
         //FIXME(seanmonstar): use a Trie instead?
         let maybe_method = method.as_str().and_then(|s| {
             // Note: hyper tests against the uppercase versions
@@ -365,14 +365,14 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#the-open()-method
-    fn Open_(self, method: ByteString, url: DOMString, async: bool,
+    fn Open_(&self, method: ByteString, url: DOMString, async: bool,
                  _username: Option<DOMString>, _password: Option<DOMString>) -> ErrorResult {
         self.sync.set(!async);
         self.Open(method, url)
     }
 
     // https://xhr.spec.whatwg.org/#the-setrequestheader()-method
-    fn SetRequestHeader(self, name: ByteString, mut value: ByteString) -> ErrorResult {
+    fn SetRequestHeader(&self, name: ByteString, mut value: ByteString) -> ErrorResult {
         if self.ready_state.get() != XMLHttpRequestState::Opened || self.send_flag.get() {
             return Err(InvalidState); // Step 1, 2
         }
@@ -422,12 +422,12 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#the-timeout-attribute
-    fn Timeout(self) -> u32 {
+    fn Timeout(&self) -> u32 {
         self.timeout.get()
     }
 
     // https://xhr.spec.whatwg.org/#the-timeout-attribute
-    fn SetTimeout(self, timeout: u32) -> ErrorResult {
+    fn SetTimeout(&self, timeout: u32) -> ErrorResult {
         if self.sync.get() {
             // FIXME: Not valid for a worker environment
             Err(InvalidAccess)
@@ -451,12 +451,12 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#the-withcredentials-attribute
-    fn WithCredentials(self) -> bool {
+    fn WithCredentials(&self) -> bool {
         self.with_credentials.get()
     }
 
     // https://xhr.spec.whatwg.org/#dom-xmlhttprequest-withcredentials
-    fn SetWithCredentials(self, with_credentials: bool) -> ErrorResult {
+    fn SetWithCredentials(&self, with_credentials: bool) -> ErrorResult {
         match self.ready_state.get() {
             XMLHttpRequestState::HeadersReceived |
             XMLHttpRequestState::Loading |
@@ -473,12 +473,12 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#the-upload-attribute
-    fn Upload(self) -> Root<XMLHttpRequestUpload> {
+    fn Upload(&self) -> Root<XMLHttpRequestUpload> {
         self.upload.root()
     }
 
     // https://xhr.spec.whatwg.org/#the-send()-method
-    fn Send(self, data: Option<SendParam>) -> ErrorResult {
+    fn Send(&self, data: Option<SendParam>) -> ErrorResult {
         if self.ready_state.get() != XMLHttpRequestState::Opened || self.send_flag.get() {
             return Err(InvalidState); // Step 1, 2
         }
@@ -610,7 +610,7 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#the-abort()-method
-    fn Abort(self) {
+    fn Abort(&self) {
         self.terminate_ongoing_fetch();
         let state = self.ready_state.get();
         if (state == XMLHttpRequestState::Opened && self.send_flag.get()) ||
@@ -628,22 +628,22 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#the-responseurl-attribute
-    fn ResponseURL(self) -> DOMString {
+    fn ResponseURL(&self) -> DOMString {
         self.response_url.clone()
     }
 
     // https://xhr.spec.whatwg.org/#the-status-attribute
-    fn Status(self) -> u16 {
+    fn Status(&self) -> u16 {
         self.status.get()
     }
 
     // https://xhr.spec.whatwg.org/#the-statustext-attribute
-    fn StatusText(self) -> ByteString {
+    fn StatusText(&self) -> ByteString {
         self.status_text.borrow().clone()
     }
 
     // https://xhr.spec.whatwg.org/#the-getresponseheader()-method
-    fn GetResponseHeader(self, name: ByteString) -> Option<ByteString> {
+    fn GetResponseHeader(&self, name: ByteString) -> Option<ByteString> {
         self.filter_response_headers().iter().find(|h| {
             name.eq_ignore_case(&h.name().parse().unwrap())
         }).map(|h| {
@@ -652,17 +652,17 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#the-getallresponseheaders()-method
-    fn GetAllResponseHeaders(self) -> ByteString {
+    fn GetAllResponseHeaders(&self) -> ByteString {
         ByteString::new(self.filter_response_headers().to_string().into_bytes())
     }
 
     // https://xhr.spec.whatwg.org/#the-responsetype-attribute
-    fn ResponseType(self) -> XMLHttpRequestResponseType {
+    fn ResponseType(&self) -> XMLHttpRequestResponseType {
         self.response_type.get()
     }
 
     // https://xhr.spec.whatwg.org/#the-responsetype-attribute
-    fn SetResponseType(self, response_type: XMLHttpRequestResponseType) -> ErrorResult {
+    fn SetResponseType(&self, response_type: XMLHttpRequestResponseType) -> ErrorResult {
         match self.global.root() {
             GlobalRoot::Worker(_) if response_type == XMLHttpRequestResponseType::Document
             => return Ok(()),
@@ -680,7 +680,7 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
 
     #[allow(unsafe_code)]
     // https://xhr.spec.whatwg.org/#the-response-attribute
-    fn Response(self, cx: *mut JSContext) -> JSVal {
+    fn Response(&self, cx: *mut JSContext) -> JSVal {
          let mut rval = RootedValue::new(cx, UndefinedValue());
          match self.response_type.get() {
             _empty | Text => {
@@ -716,7 +716,7 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#the-responsetext-attribute
-    fn GetResponseText(self) -> Fallible<DOMString> {
+    fn GetResponseText(&self) -> Fallible<DOMString> {
         match self.response_type.get() {
             _empty | Text => {
                 match self.ready_state.get() {
@@ -729,7 +729,7 @@ impl<'a> XMLHttpRequestMethods for &'a XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#the-responsexml-attribute
-    fn GetResponseXML(self) -> Option<Root<Document>> {
+    fn GetResponseXML(&self) -> Option<Root<Document>> {
         self.response_xml.get().map(Root::from_rooted)
     }
 }

servo/components/script/dom/xmlhttprequesteventtarget.rs

@@ -37,7 +37,7 @@ impl XMLHttpRequestEventTargetDerived for EventTarget {
 
 }
 
-impl<'a> XMLHttpRequestEventTargetMethods for &'a XMLHttpRequestEventTarget {
+impl XMLHttpRequestEventTargetMethods for XMLHttpRequestEventTarget {
     event_handler!(loadstart, GetOnloadstart, SetOnloadstart);
     event_handler!(progress, GetOnprogress, SetOnprogress);
     event_handler!(abort, GetOnabort, SetOnabort);