Remove IPC_BEGIN_MESSAGE_MAP_EX macro since r270839 made all bad IPCs kill their child processes.

content/browser/vibration/vibration_message_filter.h

 // Copyright 2013 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 CONTENT_BROWSER_VIBRATION_VIBRATION_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_VIBRATION_VIBRATION_MESSAGE_FILTER_H_
 
 #include "content/public/browser/browser_message_filter.h"
 
 namespace content {
 
 class VibrationProvider;
 
 // VibrationMessageFilter is a browser filter for Vibration messages.
 class VibrationMessageFilter : public BrowserMessageFilter {
  public:
   VibrationMessageFilter();
 
  private:
   virtual ~VibrationMessageFilter();
   // BrowserMessageFilter implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   void OnVibrate(int64 milliseconds);
   void OnCancelVibration();
   static VibrationProvider* CreateProvider();
 
   scoped_ptr<VibrationProvider> provider_;
   DISALLOW_COPY_AND_ASSIGN(VibrationMessageFilter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_VIBRATION_VIBRATION_MESSAGE_FILTER_H_