Remove support for the externalResourcesRequired attribute.

Source/core/svg/SVGPolyElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 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 39 matching lines @@
     SVGAnimatedProperty* wrapper = SVGAnimatedProperty::lookupWrapper<SVGPolyElement, SVGAnimatedPointList>(this, pointsPropertyInfo());
     if (wrapper && wrapper->isAnimating()) {
         if (SVGListPropertyTearOff<SVGPointList>* ap = animatedPoints())
             return ap->values();
     }
 
     return m_points.value;
 }
 
 // Animated property definitions
-DEFINE_ANIMATED_BOOLEAN(SVGPolyElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
 
 BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGPolyElement)
     REGISTER_LOCAL_ANIMATED_PROPERTY(points)
-    REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
 END_REGISTER_ANIMATED_PROPERTIES
 
 SVGPolyElement::SVGPolyElement(const QualifiedName& tagName, Document& document)
     : SVGGeometryElement(tagName, document)
 {
     registerAnimatedPropertiesForSVGPolyElement();
 }
 
 bool SVGPolyElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
-        SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
         supportedAttributes.add(SVGNames::pointsAttr);
     }
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
 }
 
 void SVGPolyElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (!isSupportedAttribute(name)) {
         SVGGeometryElement::parseAttribute(name, value);
         return;
     }
 
     if (name == SVGNames::pointsAttr) {
         SVGPointList newList;
         if (!pointsListFromSVGData(newList, value))
             document().accessSVGExtensions()->reportError("Problem parsing points=\"" + value + "\"");
 
         if (SVGAnimatedProperty* wrapper = SVGAnimatedProperty::lookupWrapper<SVGPolyElement, SVGAnimatedPointList>(this, pointsPropertyInfo()))
             static_cast<SVGAnimatedPointList*>(wrapper)->detachListWrappers(newList.size());
 
         m_points.value = newList;
         return;
     }
 
-    if (SVGExternalResourcesRequired::parseAttribute(name, value))
-        return;
-
     ASSERT_NOT_REACHED();
 }
 
 void SVGPolyElement::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (!isSupportedAttribute(attrName)) {
         SVGGeometryElement::svgAttributeChanged(attrName);
         return;
     }
 
     SVGElementInstance::InvalidationGuard invalidationGuard(this);
 
     RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
     if (!renderer)
         return;
 
     if (attrName == SVGNames::pointsAttr) {
         renderer->setNeedsShapeUpdate();
         RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
         return;
     }
 
-    if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
-        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
-        return;
-    }
-
     ASSERT_NOT_REACHED();
 }
 
 void SVGPolyElement::synchronizePoints(SVGElement* contextElement)
 {
     ASSERT(contextElement);
     SVGPolyElement* ownerType = toSVGPolyElement(contextElement);
     if (!ownerType->m_points.shouldSynchronize)
         return;
     ownerType->m_points.synchronize(ownerType, pointsPropertyInfo()->attributeName, AtomicString(ownerType->m_points.value.valueAsString()));
@@ skipping 13 matching lines @@
     return static_cast<SVGListPropertyTearOff<SVGPointList>*>(static_pointer_cast<SVGAnimatedPointList>(lookupOrCreatePointsWrapper(this))->baseVal());
 }
 
 SVGListPropertyTearOff<SVGPointList>* SVGPolyElement::animatedPoints()
 {
     m_points.shouldSynchronize = true;
     return static_cast<SVGListPropertyTearOff<SVGPointList>*>(static_pointer_cast<SVGAnimatedPointList>(lookupOrCreatePointsWrapper(this))->animVal());
 }
 
 }