Remove support for the externalResourcesRequired attribute.

Source/core/svg/SVGDefsElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 10 matching lines @@
 #include "config.h"
 
 #include "core/svg/SVGDefsElement.h"
 
 #include "SVGNames.h"
 #include "core/rendering/svg/RenderSVGHiddenContainer.h"
 
 namespace WebCore {
 
 // Animated property definitions
-DEFINE_ANIMATED_BOOLEAN(SVGDefsElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
 
 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGDefsElement)
-    REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
 END_REGISTER_ANIMATED_PROPERTIES
 
 inline SVGDefsElement::SVGDefsElement(Document& document)
     : SVGGraphicsElement(SVGNames::defsTag, document)
 {
     ScriptWrappable::init(this);
     registerAnimatedPropertiesForSVGDefsElement();
 }
 
 PassRefPtr<SVGDefsElement> SVGDefsElement::create(Document& document)
 {
     return adoptRef(new SVGDefsElement(document));
 }
 
 bool SVGDefsElement::isValid() const
 {
     return SVGTests::isValid();
 }
 
 RenderObject* SVGDefsElement::createRenderer(RenderStyle*)
 {
     return new RenderSVGHiddenContainer(this);
 }
 
 }