Prepare to add more initiator info to CachedResource(Request)

Source/core/loader/ImageLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  *
  * 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.
  *
@@ skipping 158 matching lines @@
 
     AtomicString attr = m_element->imageSourceURL();
 
     if (attr == m_failedLoadURL)
         return;
 
     // Do not load any image if the 'src' attribute is missing or if it is
     // an empty string.
     CachedResourceHandle<CachedImage> newImage = 0;
     if (!attr.isNull() && !stripLeadingAndTrailingHTMLSpaces(attr).isEmpty()) {
-        CachedResourceRequest request(ResourceRequest(document->completeURL(sourceURI(attr))));
-        request.setInitiator(element());
+        CachedResourceRequest request(ResourceRequest(document->completeURL(sourceURI(attr))), element()->localName());
 
         String crossOriginMode = m_element->fastGetAttribute(HTMLNames::crossoriginAttr);
         if (!crossOriginMode.isNull()) {
             StoredCredentials allowCredentials = equalIgnoringCase(crossOriginMode, "use-credentials") ? AllowStoredCredentials : DoNotAllowStoredCredentials;
             updateRequestForAccessControl(request.mutableResourceRequest(), document->securityOrigin(), allowCredentials);
         }
 
         if (m_loadManually) {
             bool autoLoadOtherImages = document->cachedResourceLoader()->autoLoadImages();
             document->cachedResourceLoader()->setAutoLoadImages(false);
@@ skipping 282 matching lines @@
 void ImageLoader::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::Image);
     info.addMember(m_element, "element");
     info.addMember(m_image.get(), "image", WTF::RetainingPointer);
     info.addMember(m_derefElementTimer, "derefElementTimer");
     info.addMember(m_failedLoadURL, "failedLoadURL");
 }
 
 }