Remove code to support Objective-C bindings

Source/core/workers/DedicatedWorkerContext.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 36 matching lines @@
 
         virtual bool isDedicatedWorkerContext() const OVERRIDE { return true; }
 
         // Overridden to allow us to check our pending activity after executing imported script.
         virtual void importScripts(const Vector<String>& urls, ExceptionCode&) OVERRIDE;
 
         // EventTarget
         virtual const AtomicString& interfaceName() const OVERRIDE;
 
         void postMessage(PassRefPtr<SerializedScriptValue>, const MessagePortArray*, ExceptionCode&);
-        // Needed for Objective-C bindings (see bug 28774).
-        void postMessage(PassRefPtr<SerializedScriptValue>, MessagePort*, ExceptionCode&);
 
         DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
 
         DedicatedWorkerThread* thread();
 
     private:
         DedicatedWorkerContext(const KURL&, const String& userAgent, PassOwnPtr<GroupSettings>, DedicatedWorkerThread*, PassRefPtr<SecurityOrigin> topOrigin);
     };
 
 } // namespace WebCore
 
 #endif // DedicatedWorkerContext_h