Refactoring: Generalize CachedSVGDocument for non-SVG use.

Source/core/css/WebKitCSSSVGDocumentValue.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 11 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/css/WebKitCSSSVGDocumentValue.h"
 
 #include "core/css/CSSParser.h"
 #include "core/dom/Document.h"
 #include "core/dom/WebCoreMemoryInstrumentation.h"
+#include "core/loader/cache/CachedDocument.h"
 #include "core/loader/cache/CachedResourceLoader.h"
 #include "core/loader/cache/CachedResourceRequest.h"
 #include "core/loader/cache/CachedResourceRequestInitiators.h"
-#include "core/loader/cache/CachedSVGDocument.h"
 
 namespace WebCore {
 
 WebKitCSSSVGDocumentValue::WebKitCSSSVGDocumentValue(const String& url)
     : CSSValue(WebKitCSSSVGDocumentClass)
     , m_url(url)
     , m_loadRequested(false)
 {
 }
 
 WebKitCSSSVGDocumentValue::~WebKitCSSSVGDocumentValue()
 {
 }
 
-CachedSVGDocument* WebKitCSSSVGDocumentValue::load(CachedResourceLoader* loader)
+CachedDocument* WebKitCSSSVGDocumentValue::load(CachedResourceLoader* loader)
 {
     ASSERT(loader);
 
     if (!m_loadRequested) {
         m_loadRequested = true;
 
         CachedResourceRequest request(ResourceRequest(loader->document()->completeURL(m_url)), cachedResourceRequestInitiators().css);
         m_document = loader->requestSVGDocument(request);
     }
 
@@ skipping 11 matching lines @@
 }
 
 void WebKitCSSSVGDocumentValue::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
     info.addMember(m_url, "url");
     // FIXME: add m_document when cached resources are instrumented.
 }
 
 } // namespace WebCore