Remove code to support Objective-C bindings

Source/core/dom/MessagePort.cpp

Index: Source/core/dom/MessagePort.cpp
diff --git a/Source/core/dom/MessagePort.cpp b/Source/core/dom/MessagePort.cpp
index b8b7c4df63364a2157a02250c1e1e4686b3377b3..c18b0cc55bf15527838b82c9422d044382d67fdf 100644
--- a/Source/core/dom/MessagePort.cpp
+++ b/Source/core/dom/MessagePort.cpp
@@ -57,14 +57,6 @@ MessagePort::~MessagePort()
         m_scriptExecutionContext->destroyedMessagePort(this);
 }
 
-void MessagePort::postMessage(PassRefPtr<SerializedScriptValue> message, MessagePort* port, ExceptionCode& ec)
-{
-    MessagePortArray ports;
-    if (port)
-        ports.append(port);
-    postMessage(message, &ports, ec);
-}
-
 void MessagePort::postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray* ports, ExceptionCode& ec)
 {
     if (!isEntangled())