Remove support for the externalResourcesRequired attribute.

Source/core/svg/SVGPolyElement.h

Index: Source/core/svg/SVGPolyElement.h
diff --git a/Source/core/svg/SVGPolyElement.h b/Source/core/svg/SVGPolyElement.h
index 617de152ec4c5ca2e01dd13fb90b86c1b9321332..d8c53e22afe90d6ccdff6fd033bb3712bd27e76d 100644
--- a/Source/core/svg/SVGPolyElement.h
+++ b/Source/core/svg/SVGPolyElement.h
@@ -23,14 +23,12 @@
 
 #include "SVGNames.h"
 #include "core/svg/SVGAnimatedBoolean.h"
-#include "core/svg/SVGExternalResourcesRequired.h"
 #include "core/svg/SVGGraphicsElement.h"
 #include "core/svg/SVGPointList.h"
 
 namespace WebCore {
 
-class SVGPolyElement : public SVGGraphicsElement
-                     , public SVGExternalResourcesRequired {
+class SVGPolyElement : public SVGGraphicsElement {
 public:
     SVGListPropertyTearOff<SVGPointList>* points();
     SVGListPropertyTearOff<SVGPointList>* animatedPoints();
@@ -57,7 +55,6 @@ private:
     static PassRefPtr<SVGAnimatedProperty> lookupOrCreatePointsWrapper(SVGElement* contextElement);
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGPolyElement)

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

I think all this can go - we have no properties to declare.

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

There are some BEGIN_REGISTER_ANIMATED_PROPERTIES and related macros in the cpp
file that fail to compile if this isn't here.

-        DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
     END_DECLARE_ANIMATED_PROPERTIES
 
 protected: