Hook up postMessages to WebRemoteFrameClient

Source/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 122 matching lines @@
     }
 
     PassRefPtrWillBeRawPtr<MessageEvent> event()
     {
         return MessageEvent::create(m_channels.release(), m_message, m_origin, String(), m_source.get());
 
     }
     SecurityOrigin* targetOrigin() const { return m_targetOrigin.get(); }
     ScriptCallStack* stackTrace() const { return m_stackTrace.get(); }
     UserGestureToken* userGestureToken() const { return m_userGestureToken.get(); }
+    LocalDOMWindow* source() const { return m_source.get(); }
 
 private:
     virtual void fired() OVERRIDE
     {
         InspectorInstrumentationCookie cookie = InspectorInstrumentation::traceAsyncOperationCompletedCallbackStarting(executionContext(), m_asyncOperationId);
         m_window->postMessageTimerFired(this);
         // This object is deleted now.
         InspectorInstrumentation::traceAsyncCallbackCompleted(cookie);
     }
 
@@ skipping 719 matching lines @@
     if (!isCurrentlyDisplayedInFrame()) {
         m_postMessageTimers.remove(timer);
         return;
     }
 
     RefPtrWillBeRawPtr<MessageEvent> event = timer->event();
 
     // Give the embedder a chance to intercept this postMessage because this
     // LocalDOMWindow might be a proxy for another in browsers that support
     // postMessage calls across WebKit instances.
-    if (m_frame->loader().client()->willCheckAndDispatchMessageEvent(timer->targetOrigin(), event.get())) {
+    LocalFrame* source = timer->source()->document() ? timer->source()->document()->frame() : 0;
+    if (m_frame->client()->willCheckAndDispatchMessageEvent(timer->targetOrigin(), event.get(), source)) {
         m_postMessageTimers.remove(timer);
         return;
     }
 
     UserGestureIndicator gestureIndicator(timer->userGestureToken());
 
     event->entangleMessagePorts(document());
     dispatchMessageEventWithOriginCheck(timer->targetOrigin(), event, timer->stackTrace());
     m_postMessageTimers.remove(timer);
 }
@@ skipping 1027 matching lines @@
     LifecycleContext<LocalDOMWindow>::trace(visitor);
 }
 
 v8::Handle<v8::Object> LocalDOMWindow::wrap(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     ASSERT_NOT_REACHED(); // LocalDOMWindow has [Custom=ToV8].
     return v8::Handle<v8::Object>();
 }
 
 } // namespace blink