Remove support for the externalResourcesRequired attribute.

Source/core/svg/SVGScriptElement.h

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef SVGScriptElement_h
 #define SVGScriptElement_h
 
 #include "SVGNames.h"
 #include "core/dom/ScriptLoaderClient.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedString.h"
 #include "core/svg/SVGElement.h"
-#include "core/svg/SVGExternalResourcesRequired.h"
 #include "core/svg/SVGURIReference.h"
 
 namespace WebCore {
 
 class ScriptLoader;
 
 class SVGScriptElement FINAL
     : public SVGElement
     , public SVGURIReference
-    , public SVGExternalResourcesRequired
     , public ScriptLoaderClient {
 public:
     static PassRefPtr<SVGScriptElement> create(Document&, bool wasInsertedByParser);
 
     String type() const;
     void setType(const String&);
 
     ScriptLoader* loader() const { return m_loader.get(); }
 
 private:
     SVGScriptElement(Document&, bool wasInsertedByParser, bool alreadyStarted);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     virtual void didNotifySubtreeInsertionsToDocument() OVERRIDE;
     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
 
     virtual void svgAttributeChanged(const QualifiedName&);
     virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
+    virtual bool isStructurallyExternal() const { return hasSourceAttribute(); }
     virtual void finishParsingChildren();
 
-    virtual bool haveLoadedRequiredResources() { return SVGExternalResourcesRequired::haveLoadedRequiredResources(); }
+    virtual bool haveLoadedRequiredResources() OVERRIDE;
 
     virtual String sourceAttributeValue() const;
     virtual String charsetAttributeValue() const;
     virtual String typeAttributeValue() const;
     virtual String languageAttributeValue() const;
     virtual String forAttributeValue() const;
     virtual String eventAttributeValue() const;
     virtual bool asyncAttributeValue() const;
     virtual bool deferAttributeValue() const;
     virtual bool hasSourceAttribute() const;
 
-    virtual void dispatchLoadEvent() { SVGExternalResourcesRequired::dispatchLoadEvent(this); }
+    virtual void dispatchLoadEvent();
 
     virtual PassRefPtr<Element> cloneElementWithoutAttributesAndChildren();
     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE { return false; }
 
-    // SVGExternalResourcesRequired
-    virtual void setHaveFiredLoadEvent(bool) OVERRIDE;
-    virtual bool isParserInserted() const OVERRIDE;
-    virtual bool haveFiredLoadEvent() const OVERRIDE;
-    virtual Timer<SVGElement>* svgLoadEventTimer() OVERRIDE;
+    virtual Timer<SVGElement>* svgLoadEventTimer() OVERRIDE { return &m_svgLoadEventTimer; }
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGScriptElement)
         DECLARE_ANIMATED_STRING(Href, href)
-        DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
     END_DECLARE_ANIMATED_PROPERTIES
 
     String m_type;
     Timer<SVGElement> m_svgLoadEventTimer;
     OwnPtr<ScriptLoader> m_loader;
 };
 
 DEFINE_NODE_TYPE_CASTS(SVGScriptElement, hasTagName(SVGNames::scriptTag));
 
 } // namespace WebCore
 
 #endif