diff --git a/servo/components/style/build_gecko.rs b/servo/components/style/build_gecko.rs
index e3708c184592..155b46cf68c8 100644
--- a/servo/components/style/build_gecko.rs
+++ b/servo/components/style/build_gecko.rs
@@ -377,6 +377,7 @@ mod bindings {
             "mozilla::DefaultDelete",
             "mozilla::Side",
             "mozilla::binding_danger::AssertAndSuppressCleanupPolicy",
+            "RawServoAnimationValueBorrowedListBorrowed",
         ];
         let opaque_types = [
             "std::pair__PCCP",
@@ -491,7 +492,6 @@ mod bindings {
             "RawGeckoNode",
             "RawGeckoAnimationValueList",
             "RawServoAnimationValue",
-            "RawServoAnimationValueList",
             "RawGeckoPresContext",
             "RawGeckoPresContextOwned",
             "ThreadSafeURIHolder",
@@ -558,6 +558,8 @@ mod bindings {
             "nsresult",
             "Loader",
             "ServoStyleSheet",
+            "EffectCompositor_CascadeLevel",
+            "RawServoAnimationValueBorrowedListBorrowed",
         ];
         struct ArrayType {
             cpp_type: &'static str,
@@ -594,7 +596,6 @@ mod bindings {
         let servo_borrow_types = [
             "nsCSSValue",
             "RawGeckoAnimationValueList",
-            "RawServoAnimationValueList",
         ];
         for &ty in structs_types.iter() {
             builder = builder.hide_type(ty)
diff --git a/servo/components/style/gecko_bindings/bindings.rs b/servo/components/style/gecko_bindings/bindings.rs
index 2c13323bd831..f630b17977b6 100644
--- a/servo/components/style/gecko_bindings/bindings.rs
+++ b/servo/components/style/gecko_bindings/bindings.rs
@@ -3,13 +3,11 @@
 pub use nsstring::{nsACString, nsAString};
 type nsACString_internal = nsACString;
 type nsAString_internal = nsAString;
-use gecko_bindings::structs::EffectCompositor_CascadeLevel;
 use gecko_bindings::structs::RawGeckoDocument;
 use gecko_bindings::structs::RawGeckoElement;
 use gecko_bindings::structs::RawGeckoNode;
 use gecko_bindings::structs::RawGeckoAnimationValueList;
 use gecko_bindings::structs::RawServoAnimationValue;
-use gecko_bindings::structs::RawServoAnimationValueBorrowedList;
 use gecko_bindings::structs::RawGeckoPresContext;
 use gecko_bindings::structs::RawGeckoPresContextOwned;
 use gecko_bindings::structs::ThreadSafeURIHolder;
@@ -152,6 +150,8 @@ use gecko_bindings::structs::nscoord;
 use gecko_bindings::structs::nsresult;
 use gecko_bindings::structs::Loader;
 use gecko_bindings::structs::ServoStyleSheet;
+use gecko_bindings::structs::EffectCompositor_CascadeLevel;
+use gecko_bindings::structs::RawServoAnimationValueBorrowedListBorrowed;
 pub type nsTArrayBorrowed_uintptr_t<'a> = &'a mut ::gecko_bindings::structs::nsTArray<usize>;
 pub type ServoComputedValuesStrong = ::gecko_bindings::sugar::ownership::Strong<ServoComputedValues>;
 pub type ServoComputedValuesBorrowed<'a> = &'a ServoComputedValues;
@@ -226,8 +226,6 @@ pub type RawGeckoAnimationValueListBorrowed<'a> = &'a RawGeckoAnimationValueList
 pub type RawGeckoAnimationValueListBorrowedOrNull<'a> = Option<&'a RawGeckoAnimationValueList>;
 pub type RawGeckoAnimationValueListBorrowedMut<'a> = &'a mut RawGeckoAnimationValueList;
 pub type RawGeckoAnimationValueListBorrowedMutOrNull<'a> = Option<&'a mut RawGeckoAnimationValueList>;
-pub type RawServoAnimationValueBorrowedListBorrowed<'a> = &'a RawServoAnimationValueBorrowedList;
-pub type RawServoAnimationValueBorrowedListBorrowedOrNull<'a> = Option<&'a RawServoAnimationValueBorrowedList>;
 
 extern "C" {
     pub fn Gecko_EnsureTArrayCapacity(aArray: *mut ::std::os::raw::c_void,
@@ -503,9 +501,10 @@ extern "C" {
      -> RawServoDeclarationBlockStrongBorrowedOrNull;
 }
 extern "C" {
-    pub fn Gecko_GetAnimationRule(element: RawGeckoElementBorrowed,
-                                  aAtom: *mut nsIAtom,
-                                  aCascadeLevel: EffectCompositor_CascadeLevel)
+    pub fn Gecko_GetAnimationRule(aElement: RawGeckoElementBorrowed,
+                                  aPseudoTag: *mut nsIAtom,
+                                  aCascadeLevel:
+                                      EffectCompositor_CascadeLevel)
      -> RawServoDeclarationBlockStrong;
 }
 extern "C" {
@@ -1227,16 +1226,6 @@ extern "C" {
                                                  ServoComputedValuesBorrowed)
      -> ServoComputedValuesStrong;
 }
-extern "C" {
-    pub fn Servo_AnimationValues_Interpolate(from: RawServoAnimationValueBorrowed,
-                                             to: RawServoAnimationValueBorrowed,
-                                             progress: f64)
-     -> RawServoAnimationValueStrong;
-}
-extern "C" {
-    pub fn Servo_AnimationValues_Uncompute(value: RawServoAnimationValueBorrowedListBorrowed)
-     -> RawServoDeclarationBlockStrong;
-}
 extern "C" {
     pub fn Servo_AnimationValues_Populate(arg1:
                                               RawGeckoAnimationValueListBorrowedMut,
@@ -1247,6 +1236,19 @@ extern "C" {
                                               ServoComputedValuesBorrowedOrNull,
                                           arg5: RawGeckoPresContextBorrowed);
 }
+extern "C" {
+    pub fn Servo_AnimationValues_Interpolate(from:
+                                                 RawServoAnimationValueBorrowed,
+                                             to:
+                                                 RawServoAnimationValueBorrowed,
+                                             progress: f64)
+     -> RawServoAnimationValueStrong;
+}
+extern "C" {
+    pub fn Servo_AnimationValues_Uncompute(value:
+                                               RawServoAnimationValueBorrowedListBorrowed)
+     -> RawServoDeclarationBlockStrong;
+}
 extern "C" {
     pub fn Servo_ParseStyleAttribute(data: *const nsACString_internal)
      -> RawServoDeclarationBlockStrong;
diff --git a/servo/components/style/gecko_bindings/structs_debug.rs b/servo/components/style/gecko_bindings/structs_debug.rs
index 7b5df8fb80bf..7b9a39f8547e 100644
--- a/servo/components/style/gecko_bindings/structs_debug.rs
+++ b/servo/components/style/gecko_bindings/structs_debug.rs
@@ -994,7 +994,6 @@ pub mod root {
     pub const NS_STYLE_DISPLAY_MODE_BROWSER: ::std::os::raw::c_uint = 0;
     pub const NS_STYLE_DISPLAY_MODE_MINIMAL_UI: ::std::os::raw::c_uint = 1;
     pub const NS_STYLE_DISPLAY_MODE_STANDALONE: ::std::os::raw::c_uint = 2;
-    pub const NS_STYLE_DISPLAY_MODE_FULLSCREEN: ::std::os::raw::c_uint = 3;
     pub const NS_STYLE_INHERIT_MASK: ::std::os::raw::c_uint = 16777215;
     pub const NS_STYLE_HAS_TEXT_DECORATION_LINES: ::std::os::raw::c_uint =
         16777216;
@@ -1490,6 +1489,11 @@ pub mod root {
         }
         #[repr(C)]
         #[derive(Debug, Copy, Clone)]
+        pub struct ReverseIterator<IteratorT> {
+            pub mCurrent: IteratorT,
+        }
+        #[repr(C)]
+        #[derive(Debug, Copy, Clone)]
         pub struct AlignedStorage2<T> {
             pub u: root::mozilla::AlignedStorage2_U<T>,
             pub _phantom_0: ::std::marker::PhantomData<T>,
@@ -3667,6 +3671,14 @@ pub mod root {
             }
         }
         #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct AbstractThread {
+            pub _address: u8,
+        }
+        impl Clone for AbstractThread {
+            fn clone(&self) -> Self { *self }
+        }
+        #[repr(C)]
         #[derive(Debug)]
         pub struct OriginAttributes {
             pub _base: root::mozilla::dom::OriginAttributesDictionary,
@@ -4178,10 +4190,12 @@ pub mod root {
             pub _base_1: root::nsWrapperCache,
             pub mRefCnt: root::nsCycleCollectingAutoRefCnt,
             pub _mOwningThread: root::nsAutoOwningThread,
+            pub mParent: *mut root::mozilla::StyleSheet,
             pub mTitle: ::nsstring::nsStringRepr,
             pub mDocument: *mut root::nsIDocument,
             pub mOwningNode: *mut root::nsINode,
             pub mMedia: root::RefPtr<root::nsMediaList>,
+            pub mNext: root::RefPtr<root::mozilla::StyleSheet>,
             pub mParsingMode: root::mozilla::css::SheetParsingMode,
             pub mType: root::mozilla::StyleBackendType,
             pub mDisabled: bool,
@@ -4216,7 +4230,7 @@ pub mod root {
         }
         #[test]
         fn bindgen_test_layout_StyleSheet() {
-            assert_eq!(::std::mem::size_of::<StyleSheet>() , 104usize);
+            assert_eq!(::std::mem::size_of::<StyleSheet>() , 120usize);
             assert_eq!(::std::mem::align_of::<StyleSheet>() , 8usize);
         }
         #[repr(u8)]
@@ -4461,6 +4475,20 @@ pub mod root {
             fn clone(&self) -> Self { *self }
         }
         /**
+ * Additional data used in conjunction with an nsRestyleHint to control the
+ * restyle process.
+ */
+        #[repr(C)]
+        #[derive(Debug)]
+        pub struct RestyleHintData {
+            pub mSelectorsForDescendants: root::nsTArray<*mut root::nsCSSSelector>,
+        }
+        #[test]
+        fn bindgen_test_layout_RestyleHintData() {
+            assert_eq!(::std::mem::size_of::<RestyleHintData>() , 8usize);
+            assert_eq!(::std::mem::align_of::<RestyleHintData>() , 8usize);
+        }
+        /**
  * A structure representing a single attribute name and value.
  *
  * This is pretty similar to the private nsAttrAndChildArray::InternalAttr.
@@ -5174,13 +5202,74 @@ pub mod root {
             assert_eq!(::std::mem::align_of::<StaticPresData>() , 8usize);
         }
         #[repr(C)]
-        #[derive(Debug, Copy)]
+        #[derive(Debug)]
         pub struct EffectCompositor {
-            pub _address: u8,
+            pub mRefCnt: root::nsCycleCollectingAutoRefCnt,
+            pub _mOwningThread: root::nsAutoOwningThread,
+            pub mPresContext: *mut root::nsPresContext,
+            pub mElementsToRestyle: [u64; 12usize],
+            pub mRuleProcessors: [u64; 4usize],
         }
-        impl Clone for EffectCompositor {
+        pub type EffectCompositor_HasThreadSafeRefCnt =
+            root::mozilla::FalseType;
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct EffectCompositor_cycleCollection {
+            pub _base: root::nsCycleCollectionParticipant,
+        }
+        #[test]
+        fn bindgen_test_layout_EffectCompositor_cycleCollection() {
+            assert_eq!(::std::mem::size_of::<EffectCompositor_cycleCollection>()
+                       , 16usize);
+            assert_eq!(::std::mem::align_of::<EffectCompositor_cycleCollection>()
+                       , 8usize);
+        }
+        impl Clone for EffectCompositor_cycleCollection {
             fn clone(&self) -> Self { *self }
         }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum EffectCompositor_CascadeLevel {
+            Animations = 0,
+            Transitions = 1,
+        }
+        #[repr(i32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum EffectCompositor_RestyleType {
+            Throttled = 0,
+            Standard = 1,
+            Layer = 2,
+        }
+        #[repr(C)]
+        #[derive(Debug)]
+        pub struct EffectCompositor_AnimationStyleRuleProcessor {
+            pub _base: root::nsIStyleRuleProcessor,
+            pub mRefCnt: root::nsAutoRefCnt,
+            pub _mOwningThread: root::nsAutoOwningThread,
+            pub mCompositor: *mut root::mozilla::EffectCompositor,
+            pub mCascadeLevel: root::mozilla::EffectCompositor_CascadeLevel,
+        }
+        pub type EffectCompositor_AnimationStyleRuleProcessor_HasThreadSafeRefCnt
+            = root::mozilla::FalseType;
+        #[test]
+        fn bindgen_test_layout_EffectCompositor_AnimationStyleRuleProcessor() {
+            assert_eq!(::std::mem::size_of::<EffectCompositor_AnimationStyleRuleProcessor>()
+                       , 40usize);
+            assert_eq!(::std::mem::align_of::<EffectCompositor_AnimationStyleRuleProcessor>()
+                       , 8usize);
+        }
+        extern "C" {
+            #[link_name =
+                  "_ZN7mozilla16EffectCompositor21_cycleCollectorGlobalE"]
+            pub static mut EffectCompositor__cycleCollectorGlobal:
+                       root::mozilla::EffectCompositor_cycleCollection;
+        }
+        pub const EffectCompositor_kCascadeLevelCount: usize = 2;
+        #[test]
+        fn bindgen_test_layout_EffectCompositor() {
+            assert_eq!(::std::mem::size_of::<EffectCompositor>() , 152usize);
+            assert_eq!(::std::mem::align_of::<EffectCompositor>() , 8usize);
+        }
         #[repr(C)]
         #[derive(Debug, Copy)]
         pub struct EventStateManager {
@@ -5273,12 +5362,6 @@ pub mod root {
         impl Clone for StyleComplexColor {
             fn clone(&self) -> Self { *self }
         }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum EffectCompositor_CascadeLevel {
-            Animations = 0,
-            Transitions = 1,
-        }
         #[repr(C)]
         #[derive(Debug)]
         pub struct PropertyStyleAnimationValuePair {
@@ -5300,6 +5383,136 @@ pub mod root {
             assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::RawServoStyleSet>>()
                        , 1usize);
         }
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct RestyleTracker {
+            pub _address: u8,
+        }
+        impl Clone for RestyleTracker {
+            fn clone(&self) -> Self { *self }
+        }
+        /**
+ * Utility class to handle animated style values
+ */
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct StyleAnimationValue {
+            pub _bindgen_opaque_blob: [u64; 2usize],
+        }
+        #[repr(u32)]
+        /**
+   * The types and values for the values that we extract and animate.
+   */
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_Unit {
+            eUnit_Null = 0,
+            eUnit_Normal = 1,
+            eUnit_Auto = 2,
+            eUnit_None = 3,
+            eUnit_Enumerated = 4,
+            eUnit_Visibility = 5,
+            eUnit_Integer = 6,
+            eUnit_Coord = 7,
+            eUnit_Percent = 8,
+            eUnit_Float = 9,
+            eUnit_Color = 10,
+            eUnit_CurrentColor = 11,
+            eUnit_ComplexColor = 12,
+            eUnit_Calc = 13,
+            eUnit_ObjectPosition = 14,
+            eUnit_URL = 15,
+            eUnit_DiscreteCSSValue = 16,
+            eUnit_CSSValuePair = 17,
+            eUnit_CSSValueTriplet = 18,
+            eUnit_CSSRect = 19,
+            eUnit_Dasharray = 20,
+            eUnit_Shadow = 21,
+            eUnit_Shape = 22,
+            eUnit_Filter = 23,
+            eUnit_Transform = 24,
+            eUnit_BackgroundPositionCoord = 25,
+            eUnit_CSSValuePairList = 26,
+            eUnit_UnparsedString = 27,
+        }
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct StyleAnimationValue__bindgen_ty_1 {
+            pub mInt: root::__BindgenUnionField<i32>,
+            pub mCoord: root::__BindgenUnionField<root::nscoord>,
+            pub mFloat: root::__BindgenUnionField<f32>,
+            pub mCSSValue: root::__BindgenUnionField<*mut root::nsCSSValue>,
+            pub mCSSValuePair: root::__BindgenUnionField<*mut root::nsCSSValuePair>,
+            pub mCSSValueTriplet: root::__BindgenUnionField<*mut root::nsCSSValueTriplet>,
+            pub mCSSRect: root::__BindgenUnionField<*mut root::nsCSSRect>,
+            pub mCSSValueArray: root::__BindgenUnionField<*mut root::nsCSSValue_Array>,
+            pub mCSSValueList: root::__BindgenUnionField<*mut root::nsCSSValueList>,
+            pub mCSSValueSharedList: root::__BindgenUnionField<*mut root::nsCSSValueSharedList>,
+            pub mCSSValuePairList: root::__BindgenUnionField<*mut root::nsCSSValuePairList>,
+            pub mString: root::__BindgenUnionField<*mut root::nsStringBuffer>,
+            pub mComplexColor: root::__BindgenUnionField<*mut root::mozilla::css::ComplexColorValue>,
+            pub bindgen_union_field: u64,
+        }
+        #[test]
+        fn bindgen_test_layout_StyleAnimationValue__bindgen_ty_1() {
+            assert_eq!(::std::mem::size_of::<StyleAnimationValue__bindgen_ty_1>()
+                       , 8usize);
+            assert_eq!(::std::mem::align_of::<StyleAnimationValue__bindgen_ty_1>()
+                       , 8usize);
+        }
+        impl Clone for StyleAnimationValue__bindgen_ty_1 {
+            fn clone(&self) -> Self { *self }
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_IntegerConstructorType {
+            IntegerConstructor = 0,
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_CoordConstructorType {
+            CoordConstructor = 0,
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_PercentConstructorType {
+            PercentConstructor = 0,
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_FloatConstructorType {
+            FloatConstructor = 0,
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_ColorConstructorType {
+            ColorConstructor = 0,
+        }
+        #[test]
+        fn bindgen_test_layout_StyleAnimationValue() {
+            assert_eq!(::std::mem::size_of::<StyleAnimationValue>() ,
+                       16usize);
+            assert_eq!(::std::mem::align_of::<StyleAnimationValue>() ,
+                       8usize);
+        }
+        impl Clone for StyleAnimationValue {
+            fn clone(&self) -> Self { *self }
+        }
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct ServoAnimationRule {
+            pub _address: u8,
+        }
+        impl Clone for ServoAnimationRule {
+            fn clone(&self) -> Self { *self }
+        }
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct AnimationPerformanceWarning {
+            pub _address: u8,
+        }
+        impl Clone for AnimationPerformanceWarning {
+            fn clone(&self) -> Self { *self }
+        }
         pub type CSSPseudoClassTypeBase = u8;
         #[repr(u8)]
         #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
@@ -5624,112 +5837,6 @@ pub mod root {
             root::mozilla::StyleShapeSource<root::mozilla::StyleGeometryBox>;
         pub type StyleShapeOutside =
             root::mozilla::StyleShapeSource<root::mozilla::StyleShapeOutsideShapeBox>;
-        /**
- * Utility class to handle animated style values
- */
-        #[repr(C)]
-        #[derive(Debug, Copy)]
-        pub struct StyleAnimationValue {
-            pub _bindgen_opaque_blob: [u64; 2usize],
-        }
-        #[repr(u32)]
-        /**
-   * The types and values for the values that we extract and animate.
-   */
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_Unit {
-            eUnit_Null = 0,
-            eUnit_Normal = 1,
-            eUnit_Auto = 2,
-            eUnit_None = 3,
-            eUnit_Enumerated = 4,
-            eUnit_Visibility = 5,
-            eUnit_Integer = 6,
-            eUnit_Coord = 7,
-            eUnit_Percent = 8,
-            eUnit_Float = 9,
-            eUnit_Color = 10,
-            eUnit_CurrentColor = 11,
-            eUnit_ComplexColor = 12,
-            eUnit_Calc = 13,
-            eUnit_ObjectPosition = 14,
-            eUnit_URL = 15,
-            eUnit_DiscreteCSSValue = 16,
-            eUnit_CSSValuePair = 17,
-            eUnit_CSSValueTriplet = 18,
-            eUnit_CSSRect = 19,
-            eUnit_Dasharray = 20,
-            eUnit_Shadow = 21,
-            eUnit_Shape = 22,
-            eUnit_Filter = 23,
-            eUnit_Transform = 24,
-            eUnit_BackgroundPositionCoord = 25,
-            eUnit_CSSValuePairList = 26,
-            eUnit_UnparsedString = 27,
-        }
-        #[repr(C)]
-        #[derive(Debug, Copy)]
-        pub struct StyleAnimationValue__bindgen_ty_1 {
-            pub mInt: root::__BindgenUnionField<i32>,
-            pub mCoord: root::__BindgenUnionField<root::nscoord>,
-            pub mFloat: root::__BindgenUnionField<f32>,
-            pub mCSSValue: root::__BindgenUnionField<*mut root::nsCSSValue>,
-            pub mCSSValuePair: root::__BindgenUnionField<*mut root::nsCSSValuePair>,
-            pub mCSSValueTriplet: root::__BindgenUnionField<*mut root::nsCSSValueTriplet>,
-            pub mCSSRect: root::__BindgenUnionField<*mut root::nsCSSRect>,
-            pub mCSSValueArray: root::__BindgenUnionField<*mut root::nsCSSValue_Array>,
-            pub mCSSValueList: root::__BindgenUnionField<*mut root::nsCSSValueList>,
-            pub mCSSValueSharedList: root::__BindgenUnionField<*mut root::nsCSSValueSharedList>,
-            pub mCSSValuePairList: root::__BindgenUnionField<*mut root::nsCSSValuePairList>,
-            pub mString: root::__BindgenUnionField<*mut root::nsStringBuffer>,
-            pub mComplexColor: root::__BindgenUnionField<*mut root::mozilla::css::ComplexColorValue>,
-            pub bindgen_union_field: u64,
-        }
-        #[test]
-        fn bindgen_test_layout_StyleAnimationValue__bindgen_ty_1() {
-            assert_eq!(::std::mem::size_of::<StyleAnimationValue__bindgen_ty_1>()
-                       , 8usize);
-            assert_eq!(::std::mem::align_of::<StyleAnimationValue__bindgen_ty_1>()
-                       , 8usize);
-        }
-        impl Clone for StyleAnimationValue__bindgen_ty_1 {
-            fn clone(&self) -> Self { *self }
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_IntegerConstructorType {
-            IntegerConstructor = 0,
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_CoordConstructorType {
-            CoordConstructor = 0,
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_PercentConstructorType {
-            PercentConstructor = 0,
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_FloatConstructorType {
-            FloatConstructor = 0,
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_ColorConstructorType {
-            ColorConstructor = 0,
-        }
-        #[test]
-        fn bindgen_test_layout_StyleAnimationValue() {
-            assert_eq!(::std::mem::size_of::<StyleAnimationValue>() ,
-                       16usize);
-            assert_eq!(::std::mem::align_of::<StyleAnimationValue>() ,
-                       8usize);
-        }
-        impl Clone for StyleAnimationValue {
-            fn clone(&self) -> Self { *self }
-        }
         #[test]
         fn __bindgen_test_layout_template_2() {
             assert_eq!(::std::mem::size_of::<[u32; 2usize]>() , 8usize);
@@ -5833,7 +5940,6 @@ pub mod root {
         }
         pub type pair_first_type<_T1> = _T1;
         pub type pair_second_type<_T2> = _T2;
-        pub type pair__PCCP = [u8; 0usize];
         #[repr(C)]
         #[derive(Debug)]
         pub struct atomic<_Tp> {
@@ -7449,12 +7555,12 @@ pub mod root {
 **  A type for representing the size of objects.
 ************************************************************************/
     pub type PRSize = usize;
-    pub const PR_FAILURE: root::_bindgen_ty_115 = _bindgen_ty_115::PR_FAILURE;
-    pub const PR_SUCCESS: root::_bindgen_ty_115 = _bindgen_ty_115::PR_SUCCESS;
+    pub const PR_FAILURE: root::_bindgen_ty_144 = _bindgen_ty_144::PR_FAILURE;
+    pub const PR_SUCCESS: root::_bindgen_ty_144 = _bindgen_ty_144::PR_SUCCESS;
     #[repr(i32)]
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-    pub enum _bindgen_ty_115 { PR_FAILURE = -1, PR_SUCCESS = 0, }
-    pub use self::super::root::_bindgen_ty_115 as PRStatus;
+    pub enum _bindgen_ty_144 { PR_FAILURE = -1, PR_SUCCESS = 0, }
+    pub use self::super::root::_bindgen_ty_144 as PRStatus;
     pub type PRUword = ::std::os::raw::c_ulong;
     pub type PRTime = root::PRInt64;
     #[repr(C)]
@@ -12517,63 +12623,63 @@ pub mod root {
     impl Clone for nsDOMMutationObserver {
         fn clone(&self) -> Self { *self }
     }
-    pub const NODE_HAS_LISTENERMANAGER: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_HAS_LISTENERMANAGER;
-    pub const NODE_HAS_PROPERTIES: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_HAS_PROPERTIES;
-    pub const NODE_IS_ANONYMOUS_ROOT: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_IS_ANONYMOUS_ROOT;
-    pub const NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE;
-    pub const NODE_IS_NATIVE_ANONYMOUS_ROOT: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_IS_NATIVE_ANONYMOUS_ROOT;
-    pub const NODE_FORCE_XBL_BINDINGS: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_FORCE_XBL_BINDINGS;
-    pub const NODE_MAY_BE_IN_BINDING_MNGR: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_MAY_BE_IN_BINDING_MNGR;
-    pub const NODE_IS_EDITABLE: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_IS_EDITABLE;
-    pub const NODE_MAY_HAVE_CLASS: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_MAY_HAVE_CLASS;
-    pub const NODE_IS_IN_SHADOW_TREE: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_IS_IN_SHADOW_TREE;
-    pub const NODE_HAS_EMPTY_SELECTOR: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_HAS_EMPTY_SELECTOR;
-    pub const NODE_HAS_SLOW_SELECTOR: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_HAS_SLOW_SELECTOR;
-    pub const NODE_HAS_EDGE_CHILD_SELECTOR: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_HAS_EDGE_CHILD_SELECTOR;
-    pub const NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS;
-    pub const NODE_ALL_SELECTOR_FLAGS: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_ALL_SELECTOR_FLAGS;
-    pub const NODE_NEEDS_FRAME: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_NEEDS_FRAME;
-    pub const NODE_DESCENDANTS_NEED_FRAMES: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_DESCENDANTS_NEED_FRAMES;
-    pub const NODE_HAS_ACCESSKEY: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_HAS_ACCESSKEY;
-    pub const NODE_HAS_DIRECTION_RTL: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_HAS_DIRECTION_RTL;
-    pub const NODE_HAS_DIRECTION_LTR: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_HAS_DIRECTION_LTR;
-    pub const NODE_ALL_DIRECTION_FLAGS: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_ALL_DIRECTION_FLAGS;
-    pub const NODE_CHROME_ONLY_ACCESS: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_CHROME_ONLY_ACCESS;
-    pub const NODE_IS_ROOT_OF_CHROME_ONLY_ACCESS: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_IS_ROOT_OF_CHROME_ONLY_ACCESS;
-    pub const NODE_SHARED_RESTYLE_BIT_1: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_SHARED_RESTYLE_BIT_1;
-    pub const NODE_SHARED_RESTYLE_BIT_2: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_SHARED_RESTYLE_BIT_2;
-    pub const NODE_HAS_DIRTY_DESCENDANTS_FOR_SERVO: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_SHARED_RESTYLE_BIT_1;
-    pub const NODE_TYPE_SPECIFIC_BITS_OFFSET: root::_bindgen_ty_137 =
-        _bindgen_ty_137::NODE_TYPE_SPECIFIC_BITS_OFFSET;
+    pub const NODE_HAS_LISTENERMANAGER: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_HAS_LISTENERMANAGER;
+    pub const NODE_HAS_PROPERTIES: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_HAS_PROPERTIES;
+    pub const NODE_IS_ANONYMOUS_ROOT: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_IS_ANONYMOUS_ROOT;
+    pub const NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE;
+    pub const NODE_IS_NATIVE_ANONYMOUS_ROOT: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_IS_NATIVE_ANONYMOUS_ROOT;
+    pub const NODE_FORCE_XBL_BINDINGS: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_FORCE_XBL_BINDINGS;
+    pub const NODE_MAY_BE_IN_BINDING_MNGR: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_MAY_BE_IN_BINDING_MNGR;
+    pub const NODE_IS_EDITABLE: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_IS_EDITABLE;
+    pub const NODE_MAY_HAVE_CLASS: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_MAY_HAVE_CLASS;
+    pub const NODE_IS_IN_SHADOW_TREE: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_IS_IN_SHADOW_TREE;
+    pub const NODE_HAS_EMPTY_SELECTOR: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_HAS_EMPTY_SELECTOR;
+    pub const NODE_HAS_SLOW_SELECTOR: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_HAS_SLOW_SELECTOR;
+    pub const NODE_HAS_EDGE_CHILD_SELECTOR: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_HAS_EDGE_CHILD_SELECTOR;
+    pub const NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS;
+    pub const NODE_ALL_SELECTOR_FLAGS: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_ALL_SELECTOR_FLAGS;
+    pub const NODE_NEEDS_FRAME: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_NEEDS_FRAME;
+    pub const NODE_DESCENDANTS_NEED_FRAMES: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_DESCENDANTS_NEED_FRAMES;
+    pub const NODE_HAS_ACCESSKEY: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_HAS_ACCESSKEY;
+    pub const NODE_HAS_DIRECTION_RTL: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_HAS_DIRECTION_RTL;
+    pub const NODE_HAS_DIRECTION_LTR: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_HAS_DIRECTION_LTR;
+    pub const NODE_ALL_DIRECTION_FLAGS: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_ALL_DIRECTION_FLAGS;
+    pub const NODE_CHROME_ONLY_ACCESS: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_CHROME_ONLY_ACCESS;
+    pub const NODE_IS_ROOT_OF_CHROME_ONLY_ACCESS: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_IS_ROOT_OF_CHROME_ONLY_ACCESS;
+    pub const NODE_SHARED_RESTYLE_BIT_1: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_SHARED_RESTYLE_BIT_1;
+    pub const NODE_SHARED_RESTYLE_BIT_2: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_SHARED_RESTYLE_BIT_2;
+    pub const NODE_HAS_DIRTY_DESCENDANTS_FOR_SERVO: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_SHARED_RESTYLE_BIT_1;
+    pub const NODE_TYPE_SPECIFIC_BITS_OFFSET: root::_bindgen_ty_155 =
+        _bindgen_ty_155::NODE_TYPE_SPECIFIC_BITS_OFFSET;
     #[repr(u32)]
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-    pub enum _bindgen_ty_137 {
+    pub enum _bindgen_ty_155 {
         NODE_HAS_LISTENERMANAGER = 4,
         NODE_HAS_PROPERTIES = 8,
         NODE_IS_ANONYMOUS_ROOT = 16,
@@ -12739,6 +12845,7 @@ pub mod root {
  * via the "TimerFirings" log module.
  *
  * @param aTimer the timer which has expired
+ * @param aAnonymize whether the name should avoid including privacy sensitive info
  * @param aClosure opaque parameter passed to initWithFuncCallback
  * @param aBuf a buffer in which to put the name
  * @param aLen the length of the buffer
@@ -12746,6 +12853,7 @@ pub mod root {
     pub type nsTimerNameCallbackFunc =
         ::std::option::Option<unsafe extern "C" fn(aTimer:
                                                        *mut root::nsITimer,
+                                                   aAnonymize: bool,
                                                    aClosure:
                                                        *mut ::std::os::raw::c_void,
                                                    aBuf:
@@ -13286,7 +13394,7 @@ pub mod root {
     }
     #[repr(C)]
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-    pub struct nsChangeHint(pub u32);
+    pub struct nsChangeHint(pub ::std::os::raw::c_uint);
     pub const nsRestyleHint_eRestyle_Self: root::nsRestyleHint =
         nsRestyleHint(1);
     pub const nsRestyleHint_eRestyle_SomeDescendants: root::nsRestyleHint =
@@ -13343,7 +13451,7 @@ pub mod root {
  * RestyleManager::RestyleHintToString.
  */
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-    pub struct nsRestyleHint(pub u32);
+    pub struct nsRestyleHint(pub ::std::os::raw::c_uint);
     #[repr(C)]
     #[derive(Debug, Copy)]
     pub struct nsMappedAttributes {
@@ -17948,6 +18056,8 @@ pub mod root {
     pub type RawGeckoPresContext = root::nsPresContext;
     pub type RawGeckoAnimationValueList =
         root::nsTArray<root::mozilla::PropertyStyleAnimationValuePair>;
+    pub type RawServoAnimationValueBorrowedList =
+        root::nsTArray<*const root::RawServoAnimationValue>;
     pub type RawGeckoNodeBorrowed = *const root::RawGeckoNode;
     pub type RawGeckoNodeBorrowedOrNull = *const root::RawGeckoNode;
     pub type RawGeckoElementBorrowed = *const root::RawGeckoElement;
@@ -17959,10 +18069,98 @@ pub mod root {
     pub type RawGeckoPresContextBorrowedMut = *mut root::RawGeckoPresContext;
     pub type RawGeckoAnimationValueListBorrowedMut =
         *mut root::RawGeckoAnimationValueList;
-    pub type RawServoAnimationValueBorrowedList =
-        root::nsTArray<*const root::RawServoAnimationValue>;
     pub type RawServoAnimationValueBorrowedListBorrowed =
         *const root::RawServoAnimationValueBorrowedList;
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct ElementRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for ElementRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct PseudoElementRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for PseudoElementRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct AnonBoxRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for AnonBoxRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct XULTreeRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for XULTreeRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct StateRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for StateRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct PseudoElementStateRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for PseudoElementStateRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct AttributeRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for AttributeRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct nsIStyleRuleProcessor {
+        pub _base: root::nsISupports,
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy, Clone)]
+    pub struct nsIStyleRuleProcessor_COMTypeInfo<T, U> {
+        pub _address: u8,
+        pub _phantom_0: ::std::marker::PhantomData<T>,
+        pub _phantom_1: ::std::marker::PhantomData<U>,
+    }
+    pub type nsIStyleRuleProcessor_EnumFunc =
+        ::std::option::Option<unsafe extern "C" fn(arg1:
+                                                       *mut root::nsIStyleRuleProcessor,
+                                                   arg2:
+                                                       *mut ::std::os::raw::c_void)
+                                  -> bool>;
+    #[test]
+    fn bindgen_test_layout_nsIStyleRuleProcessor() {
+        assert_eq!(::std::mem::size_of::<nsIStyleRuleProcessor>() , 8usize);
+        assert_eq!(::std::mem::align_of::<nsIStyleRuleProcessor>() , 8usize);
+    }
+    impl Clone for nsIStyleRuleProcessor {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct nsIStyleRule {
+        pub _address: u8,
+    }
+    impl Clone for nsIStyleRule {
+        fn clone(&self) -> Self { *self }
+    }
     #[repr(u32)]
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
     pub enum nsCSSTokenSerializationType {
@@ -19945,232 +20143,251 @@ pub mod root {
     }
     #[test]
     fn __bindgen_test_layout_template_41() {
+        assert_eq!(::std::mem::size_of::<root::RefPtr<root::mozilla::StyleSheet>>()
+                   , 8usize);
+        assert_eq!(::std::mem::align_of::<root::RefPtr<root::mozilla::StyleSheet>>()
+                   , 8usize);
+    }
+    #[test]
+    fn __bindgen_test_layout_template_42() {
         assert_eq!(::std::mem::size_of::<root::RefPtr<root::mozilla::dom::Element>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::RefPtr<root::mozilla::dom::Element>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_42() {
+    fn __bindgen_test_layout_template_43() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::RefPtr<root::mozilla::dom::Element>>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::RefPtr<root::mozilla::dom::Element>>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_43() {
+    fn __bindgen_test_layout_template_44() {
         assert_eq!(::std::mem::size_of::<root::nsCOMPtr<root::nsIObserver>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsCOMPtr<root::nsIObserver>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_44() {
+    fn __bindgen_test_layout_template_45() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::nsCOMPtr<root::nsIObserver>>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::nsCOMPtr<root::nsIObserver>>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_45() {
+    fn __bindgen_test_layout_template_46() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsIDocument>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsIDocument>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_46() {
+    fn __bindgen_test_layout_template_47() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsContentList>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsContentList>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_47() {
+    fn __bindgen_test_layout_template_48() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsINode>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsINode>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_48() {
+    fn __bindgen_test_layout_template_49() {
         assert_eq!(::std::mem::size_of::<root::nsCOMPtr<root::nsIWeakReference>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsCOMPtr<root::nsIWeakReference>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_49() {
+    fn __bindgen_test_layout_template_50() {
         assert_eq!(::std::mem::size_of::<u64>() , 8usize);
         assert_eq!(::std::mem::align_of::<u64>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_50() {
+    fn __bindgen_test_layout_template_51() {
         assert_eq!(::std::mem::size_of::<[u64; 29usize]>() , 232usize);
         assert_eq!(::std::mem::align_of::<[u64; 29usize]>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_51() {
+    fn __bindgen_test_layout_template_52() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::mozilla::dom::NodeInfo>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::mozilla::dom::NodeInfo>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_52() {
+    fn __bindgen_test_layout_template_53() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<*mut root::nsIContent>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<*mut root::nsIContent>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_53() {
+    fn __bindgen_test_layout_template_54() {
         assert_eq!(::std::mem::size_of::<[u64; 6usize]>() , 48usize);
         assert_eq!(::std::mem::align_of::<[u64; 6usize]>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_54() {
+    fn __bindgen_test_layout_template_55() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::mozilla::dom::TimeoutManager>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::mozilla::dom::TimeoutManager>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_55() {
+    fn __bindgen_test_layout_template_56() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsISupports>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsISupports>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_56() {
+    fn __bindgen_test_layout_template_57() {
         assert_eq!(::std::mem::size_of::<root::nsCOMPtr<root::nsIRunnable>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsCOMPtr<root::nsIRunnable>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_57() {
+    fn __bindgen_test_layout_template_58() {
         assert_eq!(::std::mem::size_of::<root::nsAutoPtr<root::nsMediaQuery>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsAutoPtr<root::nsMediaQuery>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_58() {
+    fn __bindgen_test_layout_template_59() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsIContent>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsIContent>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_59() {
+    fn __bindgen_test_layout_template_60() {
         assert_eq!(::std::mem::size_of::<root::mozilla::OwningNonNull<root::nsINode>>()
                    , 16usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::OwningNonNull<root::nsINode>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_60() {
+    fn __bindgen_test_layout_template_61() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<f64>>() , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<f64>>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_61() {
+    fn __bindgen_test_layout_template_62() {
         assert_eq!(::std::mem::size_of::<root::RefPtr<root::mozilla::dom::DOMIntersectionObserverEntry>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::RefPtr<root::mozilla::dom::DOMIntersectionObserverEntry>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_62() {
+    fn __bindgen_test_layout_template_63() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::RefPtr<root::mozilla::dom::DOMIntersectionObserverEntry>>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::RefPtr<root::mozilla::dom::DOMIntersectionObserverEntry>>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_63() {
+    fn __bindgen_test_layout_template_64() {
         assert_eq!(::std::mem::size_of::<root::nsMainThreadPtrHolder<root::nsIURI>>()
                    , 24usize);
         assert_eq!(::std::mem::align_of::<root::nsMainThreadPtrHolder<root::nsIURI>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_64() {
+    fn __bindgen_test_layout_template_65() {
         assert_eq!(::std::mem::size_of::<root::nsMainThreadPtrHolder<root::nsIPrincipal>>()
                    , 24usize);
         assert_eq!(::std::mem::align_of::<root::nsMainThreadPtrHolder<root::nsIPrincipal>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_65() {
+    fn __bindgen_test_layout_template_66() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::mozilla::FontFamilyName>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::mozilla::FontFamilyName>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_66() {
+    fn __bindgen_test_layout_template_67() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<::std::os::raw::c_uint>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<::std::os::raw::c_uint>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_67() {
+    fn __bindgen_test_layout_template_68() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::mozilla::FramePropertyTable_PropertyValue>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::mozilla::FramePropertyTable_PropertyValue>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_68() {
+    fn __bindgen_test_layout_template_69() {
         assert_eq!(::std::mem::size_of::<root::nsPtrHashKey<root::nsIFrame>>()
                    , 16usize);
         assert_eq!(::std::mem::align_of::<root::nsPtrHashKey<root::nsIFrame>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_69() {
+    fn __bindgen_test_layout_template_70() {
+        assert_eq!(::std::mem::size_of::<[u64; 6usize]>() , 48usize);
+        assert_eq!(::std::mem::align_of::<[u64; 6usize]>() , 8usize);
+    }
+    #[test]
+    fn __bindgen_test_layout_template_71() {
+        assert_eq!(::std::mem::size_of::<root::mozilla::OwningNonNull<root::mozilla::EffectCompositor_AnimationStyleRuleProcessor>>()
+                   , 16usize);
+        assert_eq!(::std::mem::align_of::<root::mozilla::OwningNonNull<root::mozilla::EffectCompositor_AnimationStyleRuleProcessor>>()
+                   , 8usize);
+    }
+    #[test]
+    fn __bindgen_test_layout_template_72() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::mozilla::DisplayItemClip_RoundedRect>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::mozilla::DisplayItemClip_RoundedRect>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_70() {
+    fn __bindgen_test_layout_template_73() {
         assert_eq!(::std::mem::size_of::<[u64; 2usize]>() , 16usize);
         assert_eq!(::std::mem::align_of::<[u64; 2usize]>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_71() {
+    fn __bindgen_test_layout_template_74() {
         assert_eq!(::std::mem::size_of::<root::RefPtr<root::mozilla::dom::DOMRect>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::RefPtr<root::mozilla::dom::DOMRect>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_72() {
+    fn __bindgen_test_layout_template_75() {
         assert_eq!(::std::mem::size_of::<u64>() , 8usize);
         assert_eq!(::std::mem::align_of::<u64>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_73() {
+    fn __bindgen_test_layout_template_76() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::ProxyBehaviour>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::ProxyBehaviour>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_74() {
+    fn __bindgen_test_layout_template_77() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::nsCSSValueList>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::nsCSSValueList>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_75() {
+    fn __bindgen_test_layout_template_78() {
         assert_eq!(::std::mem::size_of::<root::mozilla::UniquePtr<root::nsCSSValueList,
                                                root::mozilla::DefaultDelete<root::nsCSSValueList>>>()
                    , 8usize);
@@ -20179,14 +20396,14 @@ pub mod root {
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_76() {
+    fn __bindgen_test_layout_template_79() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::nsCSSValuePairList>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::nsCSSValuePairList>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_77() {
+    fn __bindgen_test_layout_template_80() {
         assert_eq!(::std::mem::size_of::<root::mozilla::UniquePtr<root::nsCSSValuePairList,
                                                root::mozilla::DefaultDelete<root::nsCSSValuePairList>>>()
                    , 8usize);
@@ -20195,31 +20412,31 @@ pub mod root {
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_78() {
+    fn __bindgen_test_layout_template_81() {
         assert_eq!(::std::mem::size_of::<u64>() , 8usize);
         assert_eq!(::std::mem::align_of::<u64>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_79() {
+    fn __bindgen_test_layout_template_82() {
         assert_eq!(::std::mem::size_of::<[u64; 2usize]>() , 16usize);
         assert_eq!(::std::mem::align_of::<[u64; 2usize]>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_80() {
+    fn __bindgen_test_layout_template_83() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsStyleImageRequest>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsStyleImageRequest>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_81() {
+    fn __bindgen_test_layout_template_84() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::nsStyleSides>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::nsStyleSides>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_82() {
+    fn __bindgen_test_layout_template_85() {
         assert_eq!(::std::mem::size_of::<root::mozilla::UniquePtr<root::nsStyleSides,
                                                root::mozilla::DefaultDelete<root::nsStyleSides>>>()
                    , 8usize);
@@ -20228,21 +20445,21 @@ pub mod root {
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_83() {
+    fn __bindgen_test_layout_template_86() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::CachedBorderImageData>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::CachedBorderImageData>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_84() {
+    fn __bindgen_test_layout_template_87() {
         assert_eq!(::std::mem::size_of::<root::std::pair<::nsstring::nsStringRepr, ::nsstring::nsStringRepr>>()
                    , 32usize);
         assert_eq!(::std::mem::align_of::<root::std::pair<::nsstring::nsStringRepr, ::nsstring::nsStringRepr>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_85() {
+    fn __bindgen_test_layout_template_88() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<*mut root::mozilla::css::DocumentRule>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<*mut root::mozilla::css::DocumentRule>>()
diff --git a/servo/components/style/gecko_bindings/structs_release.rs b/servo/components/style/gecko_bindings/structs_release.rs
index 6a0d4927d07a..9dcdab57522a 100644
--- a/servo/components/style/gecko_bindings/structs_release.rs
+++ b/servo/components/style/gecko_bindings/structs_release.rs
@@ -994,7 +994,6 @@ pub mod root {
     pub const NS_STYLE_DISPLAY_MODE_BROWSER: ::std::os::raw::c_uint = 0;
     pub const NS_STYLE_DISPLAY_MODE_MINIMAL_UI: ::std::os::raw::c_uint = 1;
     pub const NS_STYLE_DISPLAY_MODE_STANDALONE: ::std::os::raw::c_uint = 2;
-    pub const NS_STYLE_DISPLAY_MODE_FULLSCREEN: ::std::os::raw::c_uint = 3;
     pub const NS_STYLE_INHERIT_MASK: ::std::os::raw::c_uint = 16777215;
     pub const NS_STYLE_HAS_TEXT_DECORATION_LINES: ::std::os::raw::c_uint =
         16777216;
@@ -1489,6 +1488,11 @@ pub mod root {
         }
         #[repr(C)]
         #[derive(Debug, Copy, Clone)]
+        pub struct ReverseIterator<IteratorT> {
+            pub mCurrent: IteratorT,
+        }
+        #[repr(C)]
+        #[derive(Debug, Copy, Clone)]
         pub struct AlignedStorage2<T> {
             pub u: root::mozilla::AlignedStorage2_U<T>,
             pub _phantom_0: ::std::marker::PhantomData<T>,
@@ -3642,6 +3646,14 @@ pub mod root {
             }
         }
         #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct AbstractThread {
+            pub _address: u8,
+        }
+        impl Clone for AbstractThread {
+            fn clone(&self) -> Self { *self }
+        }
+        #[repr(C)]
         #[derive(Debug)]
         pub struct OriginAttributes {
             pub _base: root::mozilla::dom::OriginAttributesDictionary,
@@ -4097,10 +4109,12 @@ pub mod root {
             pub _base: root::nsIDOMCSSStyleSheet,
             pub _base_1: root::nsWrapperCache,
             pub mRefCnt: root::nsCycleCollectingAutoRefCnt,
+            pub mParent: *mut root::mozilla::StyleSheet,
             pub mTitle: ::nsstring::nsStringRepr,
             pub mDocument: *mut root::nsIDocument,
             pub mOwningNode: *mut root::nsINode,
             pub mMedia: root::RefPtr<root::nsMediaList>,
+            pub mNext: root::RefPtr<root::mozilla::StyleSheet>,
             pub mParsingMode: root::mozilla::css::SheetParsingMode,
             pub mType: root::mozilla::StyleBackendType,
             pub mDisabled: bool,
@@ -4135,7 +4149,7 @@ pub mod root {
         }
         #[test]
         fn bindgen_test_layout_StyleSheet() {
-            assert_eq!(::std::mem::size_of::<StyleSheet>() , 96usize);
+            assert_eq!(::std::mem::size_of::<StyleSheet>() , 112usize);
             assert_eq!(::std::mem::align_of::<StyleSheet>() , 8usize);
         }
         #[repr(u8)]
@@ -4380,6 +4394,20 @@ pub mod root {
             fn clone(&self) -> Self { *self }
         }
         /**
+ * Additional data used in conjunction with an nsRestyleHint to control the
+ * restyle process.
+ */
+        #[repr(C)]
+        #[derive(Debug)]
+        pub struct RestyleHintData {
+            pub mSelectorsForDescendants: root::nsTArray<*mut root::nsCSSSelector>,
+        }
+        #[test]
+        fn bindgen_test_layout_RestyleHintData() {
+            assert_eq!(::std::mem::size_of::<RestyleHintData>() , 8usize);
+            assert_eq!(::std::mem::align_of::<RestyleHintData>() , 8usize);
+        }
+        /**
  * A structure representing a single attribute name and value.
  *
  * This is pretty similar to the private nsAttrAndChildArray::InternalAttr.
@@ -5093,13 +5121,72 @@ pub mod root {
             assert_eq!(::std::mem::align_of::<StaticPresData>() , 8usize);
         }
         #[repr(C)]
-        #[derive(Debug, Copy)]
+        #[derive(Debug)]
         pub struct EffectCompositor {
-            pub _address: u8,
+            pub mRefCnt: root::nsCycleCollectingAutoRefCnt,
+            pub mPresContext: *mut root::nsPresContext,
+            pub mElementsToRestyle: [u64; 10usize],
+            pub mRuleProcessors: [u64; 2usize],
         }
-        impl Clone for EffectCompositor {
+        pub type EffectCompositor_HasThreadSafeRefCnt =
+            root::mozilla::FalseType;
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct EffectCompositor_cycleCollection {
+            pub _base: root::nsCycleCollectionParticipant,
+        }
+        #[test]
+        fn bindgen_test_layout_EffectCompositor_cycleCollection() {
+            assert_eq!(::std::mem::size_of::<EffectCompositor_cycleCollection>()
+                       , 16usize);
+            assert_eq!(::std::mem::align_of::<EffectCompositor_cycleCollection>()
+                       , 8usize);
+        }
+        impl Clone for EffectCompositor_cycleCollection {
             fn clone(&self) -> Self { *self }
         }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum EffectCompositor_CascadeLevel {
+            Animations = 0,
+            Transitions = 1,
+        }
+        #[repr(i32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum EffectCompositor_RestyleType {
+            Throttled = 0,
+            Standard = 1,
+            Layer = 2,
+        }
+        #[repr(C)]
+        #[derive(Debug)]
+        pub struct EffectCompositor_AnimationStyleRuleProcessor {
+            pub _base: root::nsIStyleRuleProcessor,
+            pub mRefCnt: root::nsAutoRefCnt,
+            pub mCompositor: *mut root::mozilla::EffectCompositor,
+            pub mCascadeLevel: root::mozilla::EffectCompositor_CascadeLevel,
+        }
+        pub type EffectCompositor_AnimationStyleRuleProcessor_HasThreadSafeRefCnt
+            = root::mozilla::FalseType;
+        #[test]
+        fn bindgen_test_layout_EffectCompositor_AnimationStyleRuleProcessor() {
+            assert_eq!(::std::mem::size_of::<EffectCompositor_AnimationStyleRuleProcessor>()
+                       , 32usize);
+            assert_eq!(::std::mem::align_of::<EffectCompositor_AnimationStyleRuleProcessor>()
+                       , 8usize);
+        }
+        extern "C" {
+            #[link_name =
+                  "_ZN7mozilla16EffectCompositor21_cycleCollectorGlobalE"]
+            pub static mut EffectCompositor__cycleCollectorGlobal:
+                       root::mozilla::EffectCompositor_cycleCollection;
+        }
+        pub const EffectCompositor_kCascadeLevelCount: usize = 2;
+        #[test]
+        fn bindgen_test_layout_EffectCompositor() {
+            assert_eq!(::std::mem::size_of::<EffectCompositor>() , 112usize);
+            assert_eq!(::std::mem::align_of::<EffectCompositor>() , 8usize);
+        }
         #[repr(C)]
         #[derive(Debug, Copy)]
         pub struct EventStateManager {
@@ -5191,12 +5278,6 @@ pub mod root {
         impl Clone for StyleComplexColor {
             fn clone(&self) -> Self { *self }
         }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum EffectCompositor_CascadeLevel {
-            Animations = 0,
-            Transitions = 1,
-        }
         #[repr(C)]
         #[derive(Debug)]
         pub struct PropertyStyleAnimationValuePair {
@@ -5218,6 +5299,136 @@ pub mod root {
             assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::RawServoStyleSet>>()
                        , 1usize);
         }
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct RestyleTracker {
+            pub _address: u8,
+        }
+        impl Clone for RestyleTracker {
+            fn clone(&self) -> Self { *self }
+        }
+        /**
+ * Utility class to handle animated style values
+ */
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct StyleAnimationValue {
+            pub _bindgen_opaque_blob: [u64; 2usize],
+        }
+        #[repr(u32)]
+        /**
+   * The types and values for the values that we extract and animate.
+   */
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_Unit {
+            eUnit_Null = 0,
+            eUnit_Normal = 1,
+            eUnit_Auto = 2,
+            eUnit_None = 3,
+            eUnit_Enumerated = 4,
+            eUnit_Visibility = 5,
+            eUnit_Integer = 6,
+            eUnit_Coord = 7,
+            eUnit_Percent = 8,
+            eUnit_Float = 9,
+            eUnit_Color = 10,
+            eUnit_CurrentColor = 11,
+            eUnit_ComplexColor = 12,
+            eUnit_Calc = 13,
+            eUnit_ObjectPosition = 14,
+            eUnit_URL = 15,
+            eUnit_DiscreteCSSValue = 16,
+            eUnit_CSSValuePair = 17,
+            eUnit_CSSValueTriplet = 18,
+            eUnit_CSSRect = 19,
+            eUnit_Dasharray = 20,
+            eUnit_Shadow = 21,
+            eUnit_Shape = 22,
+            eUnit_Filter = 23,
+            eUnit_Transform = 24,
+            eUnit_BackgroundPositionCoord = 25,
+            eUnit_CSSValuePairList = 26,
+            eUnit_UnparsedString = 27,
+        }
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct StyleAnimationValue__bindgen_ty_1 {
+            pub mInt: root::__BindgenUnionField<i32>,
+            pub mCoord: root::__BindgenUnionField<root::nscoord>,
+            pub mFloat: root::__BindgenUnionField<f32>,
+            pub mCSSValue: root::__BindgenUnionField<*mut root::nsCSSValue>,
+            pub mCSSValuePair: root::__BindgenUnionField<*mut root::nsCSSValuePair>,
+            pub mCSSValueTriplet: root::__BindgenUnionField<*mut root::nsCSSValueTriplet>,
+            pub mCSSRect: root::__BindgenUnionField<*mut root::nsCSSRect>,
+            pub mCSSValueArray: root::__BindgenUnionField<*mut root::nsCSSValue_Array>,
+            pub mCSSValueList: root::__BindgenUnionField<*mut root::nsCSSValueList>,
+            pub mCSSValueSharedList: root::__BindgenUnionField<*mut root::nsCSSValueSharedList>,
+            pub mCSSValuePairList: root::__BindgenUnionField<*mut root::nsCSSValuePairList>,
+            pub mString: root::__BindgenUnionField<*mut root::nsStringBuffer>,
+            pub mComplexColor: root::__BindgenUnionField<*mut root::mozilla::css::ComplexColorValue>,
+            pub bindgen_union_field: u64,
+        }
+        #[test]
+        fn bindgen_test_layout_StyleAnimationValue__bindgen_ty_1() {
+            assert_eq!(::std::mem::size_of::<StyleAnimationValue__bindgen_ty_1>()
+                       , 8usize);
+            assert_eq!(::std::mem::align_of::<StyleAnimationValue__bindgen_ty_1>()
+                       , 8usize);
+        }
+        impl Clone for StyleAnimationValue__bindgen_ty_1 {
+            fn clone(&self) -> Self { *self }
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_IntegerConstructorType {
+            IntegerConstructor = 0,
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_CoordConstructorType {
+            CoordConstructor = 0,
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_PercentConstructorType {
+            PercentConstructor = 0,
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_FloatConstructorType {
+            FloatConstructor = 0,
+        }
+        #[repr(u32)]
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+        pub enum StyleAnimationValue_ColorConstructorType {
+            ColorConstructor = 0,
+        }
+        #[test]
+        fn bindgen_test_layout_StyleAnimationValue() {
+            assert_eq!(::std::mem::size_of::<StyleAnimationValue>() ,
+                       16usize);
+            assert_eq!(::std::mem::align_of::<StyleAnimationValue>() ,
+                       8usize);
+        }
+        impl Clone for StyleAnimationValue {
+            fn clone(&self) -> Self { *self }
+        }
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct ServoAnimationRule {
+            pub _address: u8,
+        }
+        impl Clone for ServoAnimationRule {
+            fn clone(&self) -> Self { *self }
+        }
+        #[repr(C)]
+        #[derive(Debug, Copy)]
+        pub struct AnimationPerformanceWarning {
+            pub _address: u8,
+        }
+        impl Clone for AnimationPerformanceWarning {
+            fn clone(&self) -> Self { *self }
+        }
         pub type CSSPseudoClassTypeBase = u8;
         #[repr(u8)]
         #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
@@ -5542,112 +5753,6 @@ pub mod root {
             root::mozilla::StyleShapeSource<root::mozilla::StyleGeometryBox>;
         pub type StyleShapeOutside =
             root::mozilla::StyleShapeSource<root::mozilla::StyleShapeOutsideShapeBox>;
-        /**
- * Utility class to handle animated style values
- */
-        #[repr(C)]
-        #[derive(Debug, Copy)]
-        pub struct StyleAnimationValue {
-            pub _bindgen_opaque_blob: [u64; 2usize],
-        }
-        #[repr(u32)]
-        /**
-   * The types and values for the values that we extract and animate.
-   */
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_Unit {
-            eUnit_Null = 0,
-            eUnit_Normal = 1,
-            eUnit_Auto = 2,
-            eUnit_None = 3,
-            eUnit_Enumerated = 4,
-            eUnit_Visibility = 5,
-            eUnit_Integer = 6,
-            eUnit_Coord = 7,
-            eUnit_Percent = 8,
-            eUnit_Float = 9,
-            eUnit_Color = 10,
-            eUnit_CurrentColor = 11,
-            eUnit_ComplexColor = 12,
-            eUnit_Calc = 13,
-            eUnit_ObjectPosition = 14,
-            eUnit_URL = 15,
-            eUnit_DiscreteCSSValue = 16,
-            eUnit_CSSValuePair = 17,
-            eUnit_CSSValueTriplet = 18,
-            eUnit_CSSRect = 19,
-            eUnit_Dasharray = 20,
-            eUnit_Shadow = 21,
-            eUnit_Shape = 22,
-            eUnit_Filter = 23,
-            eUnit_Transform = 24,
-            eUnit_BackgroundPositionCoord = 25,
-            eUnit_CSSValuePairList = 26,
-            eUnit_UnparsedString = 27,
-        }
-        #[repr(C)]
-        #[derive(Debug, Copy)]
-        pub struct StyleAnimationValue__bindgen_ty_1 {
-            pub mInt: root::__BindgenUnionField<i32>,
-            pub mCoord: root::__BindgenUnionField<root::nscoord>,
-            pub mFloat: root::__BindgenUnionField<f32>,
-            pub mCSSValue: root::__BindgenUnionField<*mut root::nsCSSValue>,
-            pub mCSSValuePair: root::__BindgenUnionField<*mut root::nsCSSValuePair>,
-            pub mCSSValueTriplet: root::__BindgenUnionField<*mut root::nsCSSValueTriplet>,
-            pub mCSSRect: root::__BindgenUnionField<*mut root::nsCSSRect>,
-            pub mCSSValueArray: root::__BindgenUnionField<*mut root::nsCSSValue_Array>,
-            pub mCSSValueList: root::__BindgenUnionField<*mut root::nsCSSValueList>,
-            pub mCSSValueSharedList: root::__BindgenUnionField<*mut root::nsCSSValueSharedList>,
-            pub mCSSValuePairList: root::__BindgenUnionField<*mut root::nsCSSValuePairList>,
-            pub mString: root::__BindgenUnionField<*mut root::nsStringBuffer>,
-            pub mComplexColor: root::__BindgenUnionField<*mut root::mozilla::css::ComplexColorValue>,
-            pub bindgen_union_field: u64,
-        }
-        #[test]
-        fn bindgen_test_layout_StyleAnimationValue__bindgen_ty_1() {
-            assert_eq!(::std::mem::size_of::<StyleAnimationValue__bindgen_ty_1>()
-                       , 8usize);
-            assert_eq!(::std::mem::align_of::<StyleAnimationValue__bindgen_ty_1>()
-                       , 8usize);
-        }
-        impl Clone for StyleAnimationValue__bindgen_ty_1 {
-            fn clone(&self) -> Self { *self }
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_IntegerConstructorType {
-            IntegerConstructor = 0,
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_CoordConstructorType {
-            CoordConstructor = 0,
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_PercentConstructorType {
-            PercentConstructor = 0,
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_FloatConstructorType {
-            FloatConstructor = 0,
-        }
-        #[repr(u32)]
-        #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-        pub enum StyleAnimationValue_ColorConstructorType {
-            ColorConstructor = 0,
-        }
-        #[test]
-        fn bindgen_test_layout_StyleAnimationValue() {
-            assert_eq!(::std::mem::size_of::<StyleAnimationValue>() ,
-                       16usize);
-            assert_eq!(::std::mem::align_of::<StyleAnimationValue>() ,
-                       8usize);
-        }
-        impl Clone for StyleAnimationValue {
-            fn clone(&self) -> Self { *self }
-        }
         #[test]
         fn __bindgen_test_layout_template_2() {
             assert_eq!(::std::mem::size_of::<[u32; 2usize]>() , 8usize);
@@ -5751,7 +5856,6 @@ pub mod root {
         }
         pub type pair_first_type<_T1> = _T1;
         pub type pair_second_type<_T2> = _T2;
-        pub type pair__PCCP = [u8; 0usize];
         #[repr(C)]
         #[derive(Debug)]
         pub struct atomic<_Tp> {
@@ -12300,63 +12404,63 @@ pub mod root {
     impl Clone for nsDOMMutationObserver {
         fn clone(&self) -> Self { *self }
     }
-    pub const NODE_HAS_LISTENERMANAGER: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_HAS_LISTENERMANAGER;
-    pub const NODE_HAS_PROPERTIES: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_HAS_PROPERTIES;
-    pub const NODE_IS_ANONYMOUS_ROOT: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_IS_ANONYMOUS_ROOT;
-    pub const NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE;
-    pub const NODE_IS_NATIVE_ANONYMOUS_ROOT: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_IS_NATIVE_ANONYMOUS_ROOT;
-    pub const NODE_FORCE_XBL_BINDINGS: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_FORCE_XBL_BINDINGS;
-    pub const NODE_MAY_BE_IN_BINDING_MNGR: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_MAY_BE_IN_BINDING_MNGR;
-    pub const NODE_IS_EDITABLE: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_IS_EDITABLE;
-    pub const NODE_MAY_HAVE_CLASS: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_MAY_HAVE_CLASS;
-    pub const NODE_IS_IN_SHADOW_TREE: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_IS_IN_SHADOW_TREE;
-    pub const NODE_HAS_EMPTY_SELECTOR: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_HAS_EMPTY_SELECTOR;
-    pub const NODE_HAS_SLOW_SELECTOR: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_HAS_SLOW_SELECTOR;
-    pub const NODE_HAS_EDGE_CHILD_SELECTOR: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_HAS_EDGE_CHILD_SELECTOR;
-    pub const NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS;
-    pub const NODE_ALL_SELECTOR_FLAGS: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_ALL_SELECTOR_FLAGS;
-    pub const NODE_NEEDS_FRAME: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_NEEDS_FRAME;
-    pub const NODE_DESCENDANTS_NEED_FRAMES: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_DESCENDANTS_NEED_FRAMES;
-    pub const NODE_HAS_ACCESSKEY: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_HAS_ACCESSKEY;
-    pub const NODE_HAS_DIRECTION_RTL: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_HAS_DIRECTION_RTL;
-    pub const NODE_HAS_DIRECTION_LTR: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_HAS_DIRECTION_LTR;
-    pub const NODE_ALL_DIRECTION_FLAGS: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_ALL_DIRECTION_FLAGS;
-    pub const NODE_CHROME_ONLY_ACCESS: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_CHROME_ONLY_ACCESS;
-    pub const NODE_IS_ROOT_OF_CHROME_ONLY_ACCESS: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_IS_ROOT_OF_CHROME_ONLY_ACCESS;
-    pub const NODE_SHARED_RESTYLE_BIT_1: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_SHARED_RESTYLE_BIT_1;
-    pub const NODE_SHARED_RESTYLE_BIT_2: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_SHARED_RESTYLE_BIT_2;
-    pub const NODE_HAS_DIRTY_DESCENDANTS_FOR_SERVO: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_SHARED_RESTYLE_BIT_1;
-    pub const NODE_TYPE_SPECIFIC_BITS_OFFSET: root::_bindgen_ty_118 =
-        _bindgen_ty_118::NODE_TYPE_SPECIFIC_BITS_OFFSET;
+    pub const NODE_HAS_LISTENERMANAGER: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_HAS_LISTENERMANAGER;
+    pub const NODE_HAS_PROPERTIES: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_HAS_PROPERTIES;
+    pub const NODE_IS_ANONYMOUS_ROOT: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_IS_ANONYMOUS_ROOT;
+    pub const NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_IS_IN_NATIVE_ANONYMOUS_SUBTREE;
+    pub const NODE_IS_NATIVE_ANONYMOUS_ROOT: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_IS_NATIVE_ANONYMOUS_ROOT;
+    pub const NODE_FORCE_XBL_BINDINGS: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_FORCE_XBL_BINDINGS;
+    pub const NODE_MAY_BE_IN_BINDING_MNGR: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_MAY_BE_IN_BINDING_MNGR;
+    pub const NODE_IS_EDITABLE: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_IS_EDITABLE;
+    pub const NODE_MAY_HAVE_CLASS: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_MAY_HAVE_CLASS;
+    pub const NODE_IS_IN_SHADOW_TREE: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_IS_IN_SHADOW_TREE;
+    pub const NODE_HAS_EMPTY_SELECTOR: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_HAS_EMPTY_SELECTOR;
+    pub const NODE_HAS_SLOW_SELECTOR: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_HAS_SLOW_SELECTOR;
+    pub const NODE_HAS_EDGE_CHILD_SELECTOR: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_HAS_EDGE_CHILD_SELECTOR;
+    pub const NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS;
+    pub const NODE_ALL_SELECTOR_FLAGS: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_ALL_SELECTOR_FLAGS;
+    pub const NODE_NEEDS_FRAME: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_NEEDS_FRAME;
+    pub const NODE_DESCENDANTS_NEED_FRAMES: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_DESCENDANTS_NEED_FRAMES;
+    pub const NODE_HAS_ACCESSKEY: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_HAS_ACCESSKEY;
+    pub const NODE_HAS_DIRECTION_RTL: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_HAS_DIRECTION_RTL;
+    pub const NODE_HAS_DIRECTION_LTR: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_HAS_DIRECTION_LTR;
+    pub const NODE_ALL_DIRECTION_FLAGS: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_ALL_DIRECTION_FLAGS;
+    pub const NODE_CHROME_ONLY_ACCESS: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_CHROME_ONLY_ACCESS;
+    pub const NODE_IS_ROOT_OF_CHROME_ONLY_ACCESS: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_IS_ROOT_OF_CHROME_ONLY_ACCESS;
+    pub const NODE_SHARED_RESTYLE_BIT_1: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_SHARED_RESTYLE_BIT_1;
+    pub const NODE_SHARED_RESTYLE_BIT_2: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_SHARED_RESTYLE_BIT_2;
+    pub const NODE_HAS_DIRTY_DESCENDANTS_FOR_SERVO: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_SHARED_RESTYLE_BIT_1;
+    pub const NODE_TYPE_SPECIFIC_BITS_OFFSET: root::_bindgen_ty_136 =
+        _bindgen_ty_136::NODE_TYPE_SPECIFIC_BITS_OFFSET;
     #[repr(u32)]
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-    pub enum _bindgen_ty_118 {
+    pub enum _bindgen_ty_136 {
         NODE_HAS_LISTENERMANAGER = 4,
         NODE_HAS_PROPERTIES = 8,
         NODE_IS_ANONYMOUS_ROOT = 16,
@@ -12522,6 +12626,7 @@ pub mod root {
  * via the "TimerFirings" log module.
  *
  * @param aTimer the timer which has expired
+ * @param aAnonymize whether the name should avoid including privacy sensitive info
  * @param aClosure opaque parameter passed to initWithFuncCallback
  * @param aBuf a buffer in which to put the name
  * @param aLen the length of the buffer
@@ -12529,6 +12634,7 @@ pub mod root {
     pub type nsTimerNameCallbackFunc =
         ::std::option::Option<unsafe extern "C" fn(aTimer:
                                                        *mut root::nsITimer,
+                                                   aAnonymize: bool,
                                                    aClosure:
                                                        *mut ::std::os::raw::c_void,
                                                    aBuf:
@@ -13069,7 +13175,7 @@ pub mod root {
     }
     #[repr(C)]
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-    pub struct nsChangeHint(pub u32);
+    pub struct nsChangeHint(pub ::std::os::raw::c_uint);
     pub const nsRestyleHint_eRestyle_Self: root::nsRestyleHint =
         nsRestyleHint(1);
     pub const nsRestyleHint_eRestyle_SomeDescendants: root::nsRestyleHint =
@@ -13126,7 +13232,7 @@ pub mod root {
  * RestyleManager::RestyleHintToString.
  */
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-    pub struct nsRestyleHint(pub u32);
+    pub struct nsRestyleHint(pub ::std::os::raw::c_uint);
     #[repr(C)]
     #[derive(Debug, Copy)]
     pub struct nsMappedAttributes {
@@ -17721,6 +17827,8 @@ pub mod root {
     pub type RawGeckoPresContext = root::nsPresContext;
     pub type RawGeckoAnimationValueList =
         root::nsTArray<root::mozilla::PropertyStyleAnimationValuePair>;
+    pub type RawServoAnimationValueBorrowedList =
+        root::nsTArray<*const root::RawServoAnimationValue>;
     pub type RawGeckoNodeBorrowed = *const root::RawGeckoNode;
     pub type RawGeckoNodeBorrowedOrNull = *const root::RawGeckoNode;
     pub type RawGeckoElementBorrowed = *const root::RawGeckoElement;
@@ -17732,10 +17840,98 @@ pub mod root {
     pub type RawGeckoPresContextBorrowedMut = *mut root::RawGeckoPresContext;
     pub type RawGeckoAnimationValueListBorrowedMut =
         *mut root::RawGeckoAnimationValueList;
-    pub type RawServoAnimationValueBorrowedList =
-        root::nsTArray<*const root::RawServoAnimationValue>;
     pub type RawServoAnimationValueBorrowedListBorrowed =
         *const root::RawServoAnimationValueBorrowedList;
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct ElementRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for ElementRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct PseudoElementRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for PseudoElementRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct AnonBoxRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for AnonBoxRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct XULTreeRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for XULTreeRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct StateRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for StateRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct PseudoElementStateRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for PseudoElementStateRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct AttributeRuleProcessorData {
+        pub _address: u8,
+    }
+    impl Clone for AttributeRuleProcessorData {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct nsIStyleRuleProcessor {
+        pub _base: root::nsISupports,
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy, Clone)]
+    pub struct nsIStyleRuleProcessor_COMTypeInfo<T, U> {
+        pub _address: u8,
+        pub _phantom_0: ::std::marker::PhantomData<T>,
+        pub _phantom_1: ::std::marker::PhantomData<U>,
+    }
+    pub type nsIStyleRuleProcessor_EnumFunc =
+        ::std::option::Option<unsafe extern "C" fn(arg1:
+                                                       *mut root::nsIStyleRuleProcessor,
+                                                   arg2:
+                                                       *mut ::std::os::raw::c_void)
+                                  -> bool>;
+    #[test]
+    fn bindgen_test_layout_nsIStyleRuleProcessor() {
+        assert_eq!(::std::mem::size_of::<nsIStyleRuleProcessor>() , 8usize);
+        assert_eq!(::std::mem::align_of::<nsIStyleRuleProcessor>() , 8usize);
+    }
+    impl Clone for nsIStyleRuleProcessor {
+        fn clone(&self) -> Self { *self }
+    }
+    #[repr(C)]
+    #[derive(Debug, Copy)]
+    pub struct nsIStyleRule {
+        pub _address: u8,
+    }
+    impl Clone for nsIStyleRule {
+        fn clone(&self) -> Self { *self }
+    }
     #[repr(u32)]
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
     pub enum nsCSSTokenSerializationType {
@@ -19717,232 +19913,251 @@ pub mod root {
     }
     #[test]
     fn __bindgen_test_layout_template_41() {
+        assert_eq!(::std::mem::size_of::<root::RefPtr<root::mozilla::StyleSheet>>()
+                   , 8usize);
+        assert_eq!(::std::mem::align_of::<root::RefPtr<root::mozilla::StyleSheet>>()
+                   , 8usize);
+    }
+    #[test]
+    fn __bindgen_test_layout_template_42() {
         assert_eq!(::std::mem::size_of::<root::RefPtr<root::mozilla::dom::Element>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::RefPtr<root::mozilla::dom::Element>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_42() {
+    fn __bindgen_test_layout_template_43() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::RefPtr<root::mozilla::dom::Element>>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::RefPtr<root::mozilla::dom::Element>>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_43() {
+    fn __bindgen_test_layout_template_44() {
         assert_eq!(::std::mem::size_of::<root::nsCOMPtr<root::nsIObserver>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsCOMPtr<root::nsIObserver>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_44() {
+    fn __bindgen_test_layout_template_45() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::nsCOMPtr<root::nsIObserver>>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::nsCOMPtr<root::nsIObserver>>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_45() {
+    fn __bindgen_test_layout_template_46() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsIDocument>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsIDocument>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_46() {
+    fn __bindgen_test_layout_template_47() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsContentList>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsContentList>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_47() {
+    fn __bindgen_test_layout_template_48() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsINode>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsINode>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_48() {
+    fn __bindgen_test_layout_template_49() {
         assert_eq!(::std::mem::size_of::<root::nsCOMPtr<root::nsIWeakReference>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsCOMPtr<root::nsIWeakReference>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_49() {
+    fn __bindgen_test_layout_template_50() {
         assert_eq!(::std::mem::size_of::<u64>() , 8usize);
         assert_eq!(::std::mem::align_of::<u64>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_50() {
+    fn __bindgen_test_layout_template_51() {
         assert_eq!(::std::mem::size_of::<[u64; 28usize]>() , 224usize);
         assert_eq!(::std::mem::align_of::<[u64; 28usize]>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_51() {
+    fn __bindgen_test_layout_template_52() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::mozilla::dom::NodeInfo>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::mozilla::dom::NodeInfo>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_52() {
+    fn __bindgen_test_layout_template_53() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<*mut root::nsIContent>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<*mut root::nsIContent>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_53() {
+    fn __bindgen_test_layout_template_54() {
         assert_eq!(::std::mem::size_of::<[u64; 5usize]>() , 40usize);
         assert_eq!(::std::mem::align_of::<[u64; 5usize]>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_54() {
+    fn __bindgen_test_layout_template_55() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::mozilla::dom::TimeoutManager>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::mozilla::dom::TimeoutManager>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_55() {
+    fn __bindgen_test_layout_template_56() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsISupports>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsISupports>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_56() {
+    fn __bindgen_test_layout_template_57() {
         assert_eq!(::std::mem::size_of::<root::nsCOMPtr<root::nsIRunnable>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsCOMPtr<root::nsIRunnable>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_57() {
+    fn __bindgen_test_layout_template_58() {
         assert_eq!(::std::mem::size_of::<root::nsAutoPtr<root::nsMediaQuery>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsAutoPtr<root::nsMediaQuery>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_58() {
+    fn __bindgen_test_layout_template_59() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsIContent>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsIContent>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_59() {
+    fn __bindgen_test_layout_template_60() {
         assert_eq!(::std::mem::size_of::<root::mozilla::OwningNonNull<root::nsINode>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::OwningNonNull<root::nsINode>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_60() {
+    fn __bindgen_test_layout_template_61() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<f64>>() , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<f64>>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_61() {
+    fn __bindgen_test_layout_template_62() {
         assert_eq!(::std::mem::size_of::<root::RefPtr<root::mozilla::dom::DOMIntersectionObserverEntry>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::RefPtr<root::mozilla::dom::DOMIntersectionObserverEntry>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_62() {
+    fn __bindgen_test_layout_template_63() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::RefPtr<root::mozilla::dom::DOMIntersectionObserverEntry>>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::RefPtr<root::mozilla::dom::DOMIntersectionObserverEntry>>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_63() {
+    fn __bindgen_test_layout_template_64() {
         assert_eq!(::std::mem::size_of::<root::nsMainThreadPtrHolder<root::nsIURI>>()
                    , 24usize);
         assert_eq!(::std::mem::align_of::<root::nsMainThreadPtrHolder<root::nsIURI>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_64() {
+    fn __bindgen_test_layout_template_65() {
         assert_eq!(::std::mem::size_of::<root::nsMainThreadPtrHolder<root::nsIPrincipal>>()
                    , 24usize);
         assert_eq!(::std::mem::align_of::<root::nsMainThreadPtrHolder<root::nsIPrincipal>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_65() {
+    fn __bindgen_test_layout_template_66() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::mozilla::FontFamilyName>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::mozilla::FontFamilyName>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_66() {
+    fn __bindgen_test_layout_template_67() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<::std::os::raw::c_uint>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<::std::os::raw::c_uint>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_67() {
+    fn __bindgen_test_layout_template_68() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::mozilla::FramePropertyTable_PropertyValue>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::mozilla::FramePropertyTable_PropertyValue>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_68() {
+    fn __bindgen_test_layout_template_69() {
         assert_eq!(::std::mem::size_of::<root::nsPtrHashKey<root::nsIFrame>>()
                    , 16usize);
         assert_eq!(::std::mem::align_of::<root::nsPtrHashKey<root::nsIFrame>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_69() {
+    fn __bindgen_test_layout_template_70() {
+        assert_eq!(::std::mem::size_of::<[u64; 5usize]>() , 40usize);
+        assert_eq!(::std::mem::align_of::<[u64; 5usize]>() , 8usize);
+    }
+    #[test]
+    fn __bindgen_test_layout_template_71() {
+        assert_eq!(::std::mem::size_of::<root::mozilla::OwningNonNull<root::mozilla::EffectCompositor_AnimationStyleRuleProcessor>>()
+                   , 8usize);
+        assert_eq!(::std::mem::align_of::<root::mozilla::OwningNonNull<root::mozilla::EffectCompositor_AnimationStyleRuleProcessor>>()
+                   , 8usize);
+    }
+    #[test]
+    fn __bindgen_test_layout_template_72() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<root::mozilla::DisplayItemClip_RoundedRect>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<root::mozilla::DisplayItemClip_RoundedRect>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_70() {
+    fn __bindgen_test_layout_template_73() {
         assert_eq!(::std::mem::size_of::<[u64; 2usize]>() , 16usize);
         assert_eq!(::std::mem::align_of::<[u64; 2usize]>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_71() {
+    fn __bindgen_test_layout_template_74() {
         assert_eq!(::std::mem::size_of::<root::RefPtr<root::mozilla::dom::DOMRect>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::RefPtr<root::mozilla::dom::DOMRect>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_72() {
+    fn __bindgen_test_layout_template_75() {
         assert_eq!(::std::mem::size_of::<u64>() , 8usize);
         assert_eq!(::std::mem::align_of::<u64>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_73() {
+    fn __bindgen_test_layout_template_76() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::ProxyBehaviour>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::ProxyBehaviour>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_74() {
+    fn __bindgen_test_layout_template_77() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::nsCSSValueList>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::nsCSSValueList>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_75() {
+    fn __bindgen_test_layout_template_78() {
         assert_eq!(::std::mem::size_of::<root::mozilla::UniquePtr<root::nsCSSValueList,
                                                root::mozilla::DefaultDelete<root::nsCSSValueList>>>()
                    , 8usize);
@@ -19951,14 +20166,14 @@ pub mod root {
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_76() {
+    fn __bindgen_test_layout_template_79() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::nsCSSValuePairList>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::nsCSSValuePairList>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_77() {
+    fn __bindgen_test_layout_template_80() {
         assert_eq!(::std::mem::size_of::<root::mozilla::UniquePtr<root::nsCSSValuePairList,
                                                root::mozilla::DefaultDelete<root::nsCSSValuePairList>>>()
                    , 8usize);
@@ -19967,31 +20182,31 @@ pub mod root {
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_78() {
+    fn __bindgen_test_layout_template_81() {
         assert_eq!(::std::mem::size_of::<u64>() , 8usize);
         assert_eq!(::std::mem::align_of::<u64>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_79() {
+    fn __bindgen_test_layout_template_82() {
         assert_eq!(::std::mem::size_of::<[u64; 2usize]>() , 16usize);
         assert_eq!(::std::mem::align_of::<[u64; 2usize]>() , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_80() {
+    fn __bindgen_test_layout_template_83() {
         assert_eq!(::std::mem::size_of::<root::already_AddRefed<root::nsStyleImageRequest>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::already_AddRefed<root::nsStyleImageRequest>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_81() {
+    fn __bindgen_test_layout_template_84() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::nsStyleSides>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::nsStyleSides>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_82() {
+    fn __bindgen_test_layout_template_85() {
         assert_eq!(::std::mem::size_of::<root::mozilla::UniquePtr<root::nsStyleSides,
                                                root::mozilla::DefaultDelete<root::nsStyleSides>>>()
                    , 8usize);
@@ -20000,21 +20215,21 @@ pub mod root {
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_83() {
+    fn __bindgen_test_layout_template_86() {
         assert_eq!(::std::mem::size_of::<root::mozilla::DefaultDelete<root::CachedBorderImageData>>()
                    , 1usize);
         assert_eq!(::std::mem::align_of::<root::mozilla::DefaultDelete<root::CachedBorderImageData>>()
                    , 1usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_84() {
+    fn __bindgen_test_layout_template_87() {
         assert_eq!(::std::mem::size_of::<root::std::pair<::nsstring::nsStringRepr, ::nsstring::nsStringRepr>>()
                    , 32usize);
         assert_eq!(::std::mem::align_of::<root::std::pair<::nsstring::nsStringRepr, ::nsstring::nsStringRepr>>()
                    , 8usize);
     }
     #[test]
-    fn __bindgen_test_layout_template_85() {
+    fn __bindgen_test_layout_template_88() {
         assert_eq!(::std::mem::size_of::<root::nsTArray<*mut root::mozilla::css::DocumentRule>>()
                    , 8usize);
         assert_eq!(::std::mem::align_of::<root::nsTArray<*mut root::mozilla::css::DocumentRule>>()
diff --git a/servo/ports/geckolib/glue.rs b/servo/ports/geckolib/glue.rs
index b487abe941f0..cae0565349e0 100644
--- a/servo/ports/geckolib/glue.rs
+++ b/servo/ports/geckolib/glue.rs
@@ -39,7 +39,6 @@ use style::gecko_bindings::bindings::RawGeckoAnimationValueListBorrowedMut;
 use style::gecko_bindings::bindings::RawGeckoElementBorrowed;
 use style::gecko_bindings::bindings::RawGeckoPresContextBorrowed;
 use style::gecko_bindings::bindings::RawServoAnimationValueBorrowed;
-use style::gecko_bindings::bindings::RawServoAnimationValueBorrowedListBorrowed;
 use style::gecko_bindings::bindings::RawServoAnimationValueStrong;
 use style::gecko_bindings::bindings::RawServoImportRuleBorrowed;
 use style::gecko_bindings::bindings::ServoComputedValuesBorrowedOrNull;
@@ -50,6 +49,7 @@ use style::gecko_bindings::structs::{ThreadSafePrincipalHolder, ThreadSafeURIHol
 use style::gecko_bindings::structs::{nsRestyleHint, nsChangeHint};
 use style::gecko_bindings::structs::Loader;
 use style::gecko_bindings::structs::RawGeckoPresContextOwned;
+use style::gecko_bindings::structs::RawServoAnimationValueBorrowedListBorrowed;
 use style::gecko_bindings::structs::ServoStyleSheet;
 use style::gecko_bindings::structs::nsresult;
 use style::gecko_bindings::sugar::ownership::{FFIArcHelpers, HasArcFFI, HasBoxFFI};
@@ -186,6 +186,7 @@ pub extern "C" fn Servo_AnimationValues_Interpolate(from: RawServoAnimationValue
 pub extern "C" fn Servo_AnimationValues_Uncompute(value: RawServoAnimationValueBorrowedListBorrowed)
      -> RawServoDeclarationBlockStrong
 {
+    let value = unsafe { value.as_ref().unwrap() };
     let uncomputed_values = value.into_iter()
                                  .map(|v| {
                                      let raw_anim = unsafe { v.as_ref().unwrap() };