Bug 1133174 - Disable SVGGraphicsElement.{nearest,farthest}ViewportElement in early beta r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D163907

dom/base/nsDeprecatedOperationList.h

@@ -62,3 +62,5 @@ DEPRECATED_OPERATION(OffscreenCanvasToBlob)
 DEPRECATED_OPERATION(IDBDatabaseCreateMutableFile)
 DEPRECATED_OPERATION(IDBMutableFileOpen)
 DEPRECATED_OPERATION(MozPreservesPitchDeprecatedPrefix)
+DEPRECATED_OPERATION(SVGNearestViewportElement)
+DEPRECATED_OPERATION(SVGFarthestViewportElement)

dom/locales/en-US/chrome/dom/dom.properties

@@ -308,6 +308,10 @@ WindowContentUntrustedWarning=The ‘content’ attribute of Window objects is d
 SVGRefLoopWarning=The SVG <%S> with ID “%S” has a reference loop.
 # LOCALIZATION NOTE: The first %S is the tag name of the element in the chain where the chain was broken, the second %S is the element's ID.
 SVGRefChainLengthExceededWarning=An SVG <%S> reference chain which is too long was abandoned at the element with ID “%S”.
+# LOCALIZATION NOTE: Do not translate SVGGraphicsElement.nearestViewportElement or SVGElement.viewportElement.
+SVGNearestViewportElement=SVGGraphicsElement.nearestViewportElement is deprecated and will be removed at a future date. Use SVGElement.viewportElement instead.
+# LOCALIZATION NOTE: Do not translate SVGGraphicsElement.farthestViewportElement.
+SVGFarthestViewportElement=SVGGraphicsElement.farthestViewportElement is deprecated and will be removed at a future date.
 # LOCALIZATION NOTE: Do not translate "<script>".
 ScriptSourceEmpty=‘%S’ attribute of <script> element is empty.
 # LOCALIZATION NOTE: Do not translate "<script>".

dom/svg/test/test_viewport.html

@@ -49,24 +49,6 @@ function runTest() {
   is(g3.viewportElement, null, "g3.viewportElement");
   is(symbolRect.viewportElement, sym, "symbolRect.viewportElement");
 
-  <!-- nearestViewportElement -->
-  is(root.nearestViewportElement, null, "root.nearestViewportElement");
-  is(inner.nearestViewportElement, root, "inner.nearestViewportElement");
-  is(g1.nearestViewportElement, inner, "g1.nearestViewportElement");
-  is(outer.nearestViewportElement, null, "outer.nearestViewportElement");
-  is(g2.nearestViewportElement, outer, "g2.nearestViewportElement");
-  is(g3.nearestViewportElement, null, "g3.nearestViewportElement");
-  is(symbolRect.nearestViewportElement, sym, "symbolRect.nearestViewportElement");
-
-  <!-- farthestViewportElement -->
-  is(root.farthestViewportElement, null, "root.farthestViewportElement");
-  is(inner.farthestViewportElement, root, "inner.farthestViewportElement");
-  is(g1.farthestViewportElement, root, "g1.farthestViewportElement");
-  is(outer.farthestViewportElement, null, "outer.farthestViewportElement");
-  is(g2.farthestViewportElement, outer, "g2.farthestViewportElement");
-  is(g3.farthestViewportElement, null, "g3.farthestViewportElement");
-  is(symbolRect.farthestViewportElement, root, "symbolRect.farthestViewportElement");
-
   SimpleTest.finish();
 }
 

dom/webidl/SVGGraphicsElement.webidl

@@ -24,7 +24,11 @@ interface SVGGraphicsElement : SVGElement {
 
   readonly attribute SVGAnimatedTransformList transform;
 
+  [Deprecated="SVGNearestViewportElement",
+   Pref="svg.nearestAndFarthestViewportElement.enabled"]
   readonly attribute SVGElement? nearestViewportElement;
+  [Deprecated="SVGFarthestViewportElement",
+   Pref="svg.nearestAndFarthestViewportElement.enabled"]
   readonly attribute SVGElement? farthestViewportElement;
 
   [NewObject]

modules/libpref/init/StaticPrefList.yaml

@@ -13521,6 +13521,12 @@
   value: false
   mirror: always
 
+# Whether SVGGraphicsElement.nearestViewportElement and SVGGraphicsElement.farthestViewportElement are enabled.
+- name: svg.nearestAndFarthestViewportElement.enabled
+  type: bool
+  value: @IS_NOT_EARLY_BETA_OR_EARLIER@
+  mirror: always
+
 # Tweak which elements are allowed in <svg:use> subtrees, and in which
 # circumstances. See RemoveForbiddenNodes in SVGUseElement.cpp for the spec
 # text.

testing/web-platform/meta/svg/historical.html.ini

@@ -0,0 +1,2 @@
+[historical.html]
+    prefs: [svg.nearestAndFarthestViewportElement.enabled:false]

testing/web-platform/tests/svg/historical.html

@@ -66,8 +66,10 @@ var removedMembers = {
     "xmlspace"
   ],
   "SVGGraphicsElement": [
+    "farthestViewportElement",
     "getTransformToElement",
     "hasExtension",
+    "nearestViewportElement",
     "requiredFeatures"
   ],
   "SVGSVGElement": [