Remove support for the externalResourcesRequired attribute.

Source/core/svg/SVGSymbolElement.cpp

Index: Source/core/svg/SVGSymbolElement.cpp
diff --git a/Source/core/svg/SVGSymbolElement.cpp b/Source/core/svg/SVGSymbolElement.cpp
index 2d65a2da6f39163f483f2996f5444357c74e18e6..c91fc7a07ad641f9330080726d8dc8067ba4cce8 100644
--- a/Source/core/svg/SVGSymbolElement.cpp
+++ b/Source/core/svg/SVGSymbolElement.cpp
@@ -30,12 +30,10 @@
 namespace WebCore {
 
 // Animated property definitions
-DEFINE_ANIMATED_BOOLEAN(SVGSymbolElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
 DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGSymbolElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
 DEFINE_ANIMATED_RECT(SVGSymbolElement, SVGNames::viewBoxAttr, ViewBox, viewBox)
 
 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGSymbolElement)
-    REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
     REGISTER_LOCAL_ANIMATED_PROPERTY(viewBox)
     REGISTER_LOCAL_ANIMATED_PROPERTY(preserveAspectRatio)
     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGElement)
@@ -58,7 +56,6 @@ bool SVGSymbolElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {

[Stephen Chennney, 2013/11/06 16:45:43]

Remove braces.

[Erik Dahlström (inactive), 2013/11/07 09:38:04]

Done.

-        SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
         SVGFitToViewBox::addSupportedAttributes(supportedAttributes);
     }
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
@@ -71,8 +68,6 @@ void SVGSymbolElement::parseAttribute(const QualifiedName& name, const AtomicStr
         return;
     }
 
-    if (SVGExternalResourcesRequired::parseAttribute(name, value))
-        return;
     if (SVGFitToViewBox::parseAttribute(this, name, value))
         return;