Remove code to support Objective-C bindings

Source/core/dom/MessagePort.h

 /*
  * Copyright (C) 2008 Apple 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 35 matching lines @@
 
     // The overwhelmingly common case is sending a single port, so handle that efficiently with an inline buffer of size 1.
     typedef Vector<RefPtr<MessagePort>, 1> MessagePortArray;
 
     class MessagePort : public RefCounted<MessagePort>, public EventTarget {
     public:
         static PassRefPtr<MessagePort> create(ScriptExecutionContext& scriptExecutionContext) { return adoptRef(new MessagePort(scriptExecutionContext)); }
         virtual ~MessagePort();
 
         void postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionCode&);
-        // Needed for Objective-C bindings (see bug 28774).
-        void postMessage(PassRefPtr<SerializedScriptValue> message, MessagePort*, ExceptionCode&);
 
         void start();
         void close();
 
         void entangle(PassOwnPtr<MessagePortChannel>);
         PassOwnPtr<MessagePortChannel> disentangle();
 
         // Returns 0 if there is an exception, or if the passed-in array is 0/empty.
         static PassOwnPtr<MessagePortChannelArray> disentanglePorts(const MessagePortArray*, ExceptionCode&);
 
@@ skipping 46 matching lines @@
         bool m_started;
         bool m_closed;
 
         ScriptExecutionContext* m_scriptExecutionContext;
         EventTargetData m_eventTargetData;
     };
 
 } // namespace WebCore
 
 #endif // MessagePort_h