Refactoring: Generalize CachedSVGDocument for non-SVG use.

Source/core/svg/SVGUseElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 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,
  * 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 SVGUseElement_h
 #define SVGUseElement_h
 
-#include "core/loader/cache/CachedSVGDocument.h"
+#include "core/loader/cache/CachedDocument.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGExternalResourcesRequired.h"
 #include "core/svg/SVGLangSpace.h"
 #include "core/svg/SVGStyledTransformableElement.h"
 #include "core/svg/SVGTests.h"
 #include "core/svg/SVGURIReference.h"
 
 namespace WebCore {
 
-class CachedSVGDocument;
+class CachedDocument;
 class SVGElementInstance;
 
 class SVGUseElement FINAL : public SVGStyledTransformableElement,
                             public SVGTests,
                             public SVGLangSpace,
                             public SVGExternalResourcesRequired,
                             public SVGURIReference,
-                            public CachedSVGDocumentClient {
+                            public CachedDocumentClient {
 public:
     static PassRefPtr<SVGUseElement> create(const QualifiedName&, Document*, bool wasInsertedByParser);
     virtual ~SVGUseElement();
 
     SVGElementInstance* instanceRoot();
     SVGElementInstance* animatedInstanceRoot() const;
     SVGElementInstance* instanceForShadowTreeElement(Node*) const;
     void invalidateShadowTree();
     void invalidateDependentShadowTrees();
 
@@ skipping 51 matching lines @@
         DECLARE_ANIMATED_LENGTH(Height, height)
         DECLARE_ANIMATED_STRING(Href, href)
         DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
     END_DECLARE_ANIMATED_PROPERTIES
 
     bool cachedDocumentIsStillLoading();
     Document* externalDocument() const;
     bool instanceTreeIsLoading(SVGElementInstance*);
     virtual void notifyFinished(CachedResource*);
     Document* referencedDocument() const;
-    void setCachedDocument(CachedResourceHandle<CachedSVGDocument>);
+    void setCachedDocument(CachedResourceHandle<CachedDocument>);
 
     // SVGTests
     virtual void synchronizeRequiredFeatures() { SVGTests::synchronizeRequiredFeatures(this); }
     virtual void synchronizeRequiredExtensions() { SVGTests::synchronizeRequiredExtensions(this); }
     virtual void synchronizeSystemLanguage() { SVGTests::synchronizeSystemLanguage(this); }
 
     // SVGExternalResourcesRequired
     virtual void setHaveFiredLoadEvent(bool haveFiredLoadEvent) { m_haveFiredLoadEvent = haveFiredLoadEvent; }
     virtual bool isParserInserted() const { return m_wasInsertedByParser; }
     virtual bool haveFiredLoadEvent() const { return m_haveFiredLoadEvent; }
     virtual Timer<SVGElement>* svgLoadEventTimer() OVERRIDE { return &m_svgLoadEventTimer; }
 
     bool m_wasInsertedByParser;
     bool m_haveFiredLoadEvent;
     bool m_needsShadowTreeRecreation;
     RefPtr<SVGElementInstance> m_targetElementInstance;
-    CachedResourceHandle<CachedSVGDocument> m_cachedDocument;
+    CachedResourceHandle<CachedDocument> m_cachedDocument;
     Timer<SVGElement> m_svgLoadEventTimer;
 };
 
 }
 
 #endif