Hook up postMessages to WebRemoteFrameClient

Source/core/loader/FrameLoaderClient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2012 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 179 matching lines @@
         // JavaScript but did not because allowScript returned false. We
         // have a separate callback here because there are a number of places
         // that need to know if JavaScript is enabled but are not necessarily
         // preparing to execute script.
         virtual void didNotAllowScript() { }
         // This callback is similar, but for plugins.
         virtual void didNotAllowPlugins() { }
 
         virtual blink::WebCookieJar* cookieJar() const = 0;
 
-        // Returns true if the embedder intercepted the postMessage call
-        virtual bool willCheckAndDispatchMessageEvent(SecurityOrigin* /*target*/, MessageEvent*) const { return false; }
-
         virtual void didChangeName(const String&) { }
 
         virtual void dispatchWillOpenSocketStream(SocketStreamHandle*) { }
         virtual void dispatchWillOpenWebSocket(blink::WebSocketHandle*) { }
 
         virtual void dispatchWillStartUsingPeerConnectionHandler(blink::WebRTCPeerConnectionHandler*) { }
 
         virtual void didRequestAutocomplete(HTMLFormElement*) = 0;
 
         virtual bool allowWebGL(bool enabledPerSettings) { return enabledPerSettings; }
@@ skipping 17 matching lines @@
         virtual void didStopAllLoaders() { }
 
         virtual void dispatchDidChangeManifest() { }
 
         virtual bool isFrameLoaderClientImpl() const { return false; }
     };
 
 } // namespace blink
 
 #endif // FrameLoaderClient_h