Store CSSPropertyID in SVGAnimatedPropertyBase

third_party/WebKit/Source/core/svg/SVGElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGElement.cpp b/third_party/WebKit/Source/core/svg/SVGElement.cpp
index db5921d7b030d58460d78559eb56e462338662b0..846f72c07ff5910c8414f80f4d3dac13153c2cc8 100644
--- a/third_party/WebKit/Source/core/svg/SVGElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGElement.cpp
@@ -744,9 +744,17 @@ bool SVGElement::isAnimatableCSSProperty(const QualifiedName& attrName) {
 }
 
 bool SVGElement::isPresentationAttribute(const QualifiedName& name) const {
+  if (const SVGAnimatedPropertyBase* property = propertyFromAttribute(name))
+    return property->hasPresentationAttributeMapping();
   return cssPropertyIdForSVGAttributeName(name) > 0;
 }
 
+bool SVGElement::isPresentationAttributeWithSVGDOM(
+    const QualifiedName& name) const {
+  const SVGAnimatedPropertyBase* property = propertyFromAttribute(name);
+  return property && property->hasPresentationAttributeMapping();
+}
+
 void SVGElement::collectStyleForPresentationAttribute(
     const QualifiedName& name,
     const AtomicString& value,