Connects PostMessage() for OOPIFs

mandoline/tab/test_frame_tree_delegate.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MANDOLINE_TAB_TEST_FRAME_TREE_DELEGATE_H_
 #define MANDOLINE_TAB_TEST_FRAME_TREE_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "mandoline/tab/frame_tree_delegate.h"
 
 namespace mandoline {
 
 class TestFrameTreeDelegate : public FrameTreeDelegate {
  public:
   TestFrameTreeDelegate();
   ~TestFrameTreeDelegate() override;
 
   // TestFrameTreeDelegate:
   bool CanPostMessageEventToFrame(const Frame* source,
                                   const Frame* target,
-                                  MessageEvent* event) override;
+                                  HTMLMessageEvent* event) override;
   void LoadingStateChanged(bool loading) override;
   void ProgressChanged(double progress) override;
   void RequestNavigate(Frame* source,
                        NavigationTargetType target_type,
                        Frame* target_frame,
                        mojo::URLRequestPtr request) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestFrameTreeDelegate);
 };
 
 }  // namespace mandoline
 
 #endif  // MANDOLINE_TAB_TEST_FRAME_TREE_DELEGATE_H_