Update the ResourceRequest in DocumentLoader after the embedder modified it

Source/core/loader/DocumentLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * 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.
@@ skipping 164 matching lines @@
         bool maybeCreateArchive();
         void clearArchiveResources();
 
         void prepareSubframeArchiveLoadIfNeeded();
         void addAllArchiveResources(MHTMLArchive*);
 
         void willSendRequest(ResourceRequest&, const ResourceResponse&);
         void finishedLoading(double finishTime);
         void mainReceivedError(const ResourceError&);
         virtual void redirectReceived(Resource*, ResourceRequest&, const ResourceResponse&) OVERRIDE;
+        virtual void updateRequest(Resource*, const ResourceRequest&) OVERRIDE;
         virtual void responseReceived(Resource*, const ResourceResponse&) OVERRIDE;
         virtual void dataReceived(Resource*, const char* data, int length) OVERRIDE;
         virtual void notifyFinished(Resource*) OVERRIDE;
 
         bool maybeLoadEmpty();
 
         bool isRedirectAfterPost(const ResourceRequest&, const ResourceResponse&);
 
         bool shouldContinueForResponse() const;
 
@@ skipping 42 matching lines @@
         DocumentLoadTiming m_documentLoadTiming;
 
         double m_timeOfLastDataReceived;
 
         friend class ApplicationCacheHost;  // for substitute resource delivery
         OwnPtr<ApplicationCacheHost> m_applicationCacheHost;
     };
 }
 
 #endif // DocumentLoader_h