Bug 888685: SVGAnimatedLengthList shouldn't inherit nsISupports r=Ms2ger

content/svg/content/src/DOMSVGAnimatedLengthList.cpp

@@ -27,13 +27,8 @@ SVGAnimatedLengthListTearoffTable()
 
 NS_SVG_VAL_IMPL_CYCLE_COLLECTION_WRAPPERCACHED(DOMSVGAnimatedLengthList, mElement)
 
-NS_IMPL_CYCLE_COLLECTING_ADDREF(DOMSVGAnimatedLengthList)
-NS_IMPL_CYCLE_COLLECTING_RELEASE(DOMSVGAnimatedLengthList)
-
-NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DOMSVGAnimatedLengthList)
-  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
-  NS_INTERFACE_MAP_ENTRY(nsISupports)
-NS_INTERFACE_MAP_END
+NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DOMSVGAnimatedLengthList, AddRef)
+NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DOMSVGAnimatedLengthList, Release)
 
 JSObject*
 DOMSVGAnimatedLengthList::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)

content/svg/content/src/DOMSVGAnimatedLengthList.h

@@ -103,14 +103,13 @@ class DOMSVGLengthList;
  * One drawback of this design is that objects must look up their parent
  * chain to find their element, but that overhead is relatively small.
  */
-class DOMSVGAnimatedLengthList MOZ_FINAL : public nsISupports,
-                                           public nsWrapperCache
+class DOMSVGAnimatedLengthList MOZ_FINAL : public nsWrapperCache
 {
   friend class DOMSVGLengthList;
 
 public:
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DOMSVGAnimatedLengthList)
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMSVGAnimatedLengthList)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMSVGAnimatedLengthList)
 
   /**
    * Factory method to create and return a DOMSVGAnimatedLengthList wrapper

dom/bindings/Bindings.conf

@@ -875,7 +875,8 @@ DOMInterfaces = {
 
 'SVGAnimatedLengthList': {
     'nativeType': 'mozilla::DOMSVGAnimatedLengthList',
-    'headerFile': 'DOMSVGAnimatedLengthList.h'
+    'headerFile': 'DOMSVGAnimatedLengthList.h',
+    'nativeOwnership': 'refcounted',
 },
 
 'SVGAnimatedNumberList': {