Remove duplicated headers from core/

Source/core/loader/WorkerThreadableLoader.cpp

 /*
  * Copyright (C) 2009, 2010 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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/loader/WorkerThreadableLoader.h"
 
 #include "core/dom/CrossThreadTask.h"
 #include "core/dom/Document.h"
 #include "core/loader/DocumentThreadableLoader.h"
-#include "core/loader/ThreadableLoader.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerThread.h"
 #include "platform/network/ResourceError.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/network/ResourceResponse.h"
 #include "wtf/MainThread.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/Vector.h"
 
@@ skipping 203 matching lines @@
     ASSERT_UNUSED(context, context->isWorkerGlobalScope());
     workerClientWrapper->didFailRedirectCheck();
 }
 
 void WorkerThreadableLoader::MainThreadBridge::didFailRedirectCheck()
 {
     m_loaderProxy.postTaskForModeToWorkerGlobalScope(createCallbackTask(&workerGlobalScopeDidFailRedirectCheck, m_workerClientWrapper), m_taskMode);
 }
 
 } // namespace WebCore