Prepare to add more initiator info to CachedResource(Request)

Source/core/loader/TextTrackLoader.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:
  * 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 15 matching lines @@
 #include "config.h"
 
 #include "core/loader/TextTrackLoader.h"
 
 #include "core/dom/Document.h"
 #include "core/html/track/WebVTTParser.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/loader/CrossOriginAccessControl.h"
 #include "core/loader/cache/CachedResourceLoader.h"
 #include "core/loader/cache/CachedResourceRequest.h"
+#include "core/loader/cache/CachedResourceRequestInitiators.h"
 #include "core/loader/cache/CachedTextTrack.h"
 #include "core/platform/Logging.h"
 #include "core/platform/SharedBuffer.h"
 #include "core/platform/network/ResourceHandle.h"
 #include "weborigin/SecurityOrigin.h"
 
 namespace WebCore {
     
 TextTrackLoader::TextTrackLoader(TextTrackLoaderClient* client, ScriptExecutionContext* context)
     : m_client(client)
@@ skipping 100 matching lines @@
 
 bool TextTrackLoader::load(const KURL& url, const String& crossOriginMode)
 {
     cancelLoad();
 
     if (!m_client->shouldLoadCues(this))
         return false;
 
     ASSERT(m_scriptExecutionContext->isDocument());
     Document* document = toDocument(m_scriptExecutionContext);
-    CachedResourceRequest cueRequest(ResourceRequest(document->completeURL(url)));
+    CachedResourceRequest cueRequest(ResourceRequest(document->completeURL(url)), cachedResourceRequestInitiators().texttrack);
 
     if (!crossOriginMode.isNull()) {
         m_crossOriginMode = crossOriginMode;
         StoredCredentials allowCredentials = equalIgnoringCase(crossOriginMode, "use-credentials") ? AllowStoredCredentials : DoNotAllowStoredCredentials;
         updateRequestForAccessControl(cueRequest.mutableResourceRequest(), document->securityOrigin(), allowCredentials);
     } else {
         // Cross-origin resources that are not suitably CORS-enabled may not load.
         if (!document->securityOrigin()->canRequest(url)) {
             corsPolicyPreventedLoad();
             return false;
@@ skipping 48 matching lines @@
 #if ENABLE(WEBVTT_REGIONS)
 void TextTrackLoader::getNewRegions(Vector<RefPtr<TextTrackRegion> >& outputRegions)
 {
     ASSERT(m_cueParser);
     if (m_cueParser)
         m_cueParser->getNewRegions(outputRegions);
 }
 #endif
 }