[ServiceWorker] Implement Headers class.

Source/core/loader/ThreadableLoaderClientWrapper.h

 /*
  * Copyright (C) 2009 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 79 matching lines @@
 
     void didFail(const ResourceError& error)
     {
         m_done = true;
         if (m_client)
             m_client->didFail(error);
     }
 
     void didFailAccessControlCheck(const ResourceError& error)
     {
-        // Let the client first handle the failure by possibly issuing
-        // a didFail() with a cancellation error before marking this
-        // wrapper as 'done'.
+        m_done = true;

[falken, 2014/06/27 02:08:06]

this change looks unrelated to Headers?

[horo, 2014/06/27 04:19:10]

Removed this file.
It was accidental included to this patch. 

         if (m_client)
             m_client->didFailAccessControlCheck(error);
-        m_done = true;
     }
 
     void didFailRedirectCheck()
     {
+        m_done = true;
         if (m_client)
             m_client->didFailRedirectCheck();
-        m_done = true;
     }
 
     void didReceiveAuthenticationCancellation(unsigned long identifier, const ResourceResponse& response)
     {
         if (m_client)
             m_client->didReceiveResponse(identifier, response);
     }
 
     void didDownloadData(int dataLength)
     {
         if (m_client)
             m_client->didDownloadData(dataLength);
     }
 
 protected:
     explicit ThreadableLoaderClientWrapper(ThreadableLoaderClient* client)
         : m_client(client)
         , m_done(false)
     {
     }
 
     ThreadableLoaderClient* m_client;
     bool m_done;
 };
 
 } // namespace WebCore
 
 #endif // ThreadableLoaderClientWrapper_h