Prepare to add more initiator info to CachedResource(Request)

Source/core/loader/LinkLoader.cpp

 /*
  * Copyright (C) 2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 23 matching lines @@
 
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/ContainerNode.h"
 #include "core/dom/Document.h"
 #include "core/html/LinkRelAttribute.h"
 #include "core/loader/Prerenderer.h"
 #include "core/loader/cache/CachedCSSStyleSheet.h"
 #include "core/loader/cache/CachedResourceLoader.h"
 #include "core/loader/cache/CachedResourceRequest.h"
+#include "core/loader/cache/CachedResourceRequestInitiators.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameView.h"
 #include "core/page/Settings.h"
 #include "core/platform/PrerenderHandle.h"
 #include "core/platform/network/DNS.h"
 
 namespace WebCore {
 
 LinkLoader::LinkLoader(LinkLoaderClient* client)
     : m_client(client)
@@ skipping 69 matching lines @@
         if (!m_client->shouldLoadLink())
             return false;
         ResourceLoadPriority priority = ResourceLoadPriorityUnresolved;
         CachedResource::Type type = CachedResource::LinkPrefetch;
         // We only make one request to the cachedresourcelodaer if multiple rel types are
         // specified, 
         if (relAttribute.isLinkSubresource()) {
             priority = ResourceLoadPriorityLow;
             type = CachedResource::LinkSubresource;
         }
-        CachedResourceRequest linkRequest(ResourceRequest(document->completeURL(href)), priority);
+        CachedResourceRequest linkRequest(ResourceRequest(document->completeURL(href)), cachedResourceRequestInitiators().link, priority);
         
         if (m_cachedLinkResource) {
             m_cachedLinkResource->removeClient(this);
             m_cachedLinkResource = 0;
         }
         m_cachedLinkResource = document->cachedResourceLoader()->requestLinkResource(type, linkRequest);
         if (m_cachedLinkResource)
             m_cachedLinkResource->addClient(this);
     }
 
@@ skipping 16 matching lines @@
     // Only prerenders need treatment here; other links either use the CachedResource interface, or are notionally
     // atomic (dns prefetch).
     if (m_prerenderHandle) {
         m_prerenderHandle->cancel();
         m_prerenderHandle->removeClient();
         m_prerenderHandle.clear();
     }
 }
 
 }