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

chrome/browser/media/webrtc_logging_handler_host.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 CHROME_BROWSER_MEDIA_WEBRTC_LOGGING_HANDLER_HOST_H_
 #define CHROME_BROWSER_MEDIA_WEBRTC_LOGGING_HANDLER_HOST_H_
 
 #include "base/basictypes.h"
 #include "base/memory/shared_memory.h"
 #include "chrome/common/media/webrtc_logging_message_data.h"
@@ skipping 99 matching lines @@
   };
 
   friend class content::BrowserThread;
   friend class base::DeleteHelper<WebRtcLoggingHandlerHost>;
 
   virtual ~WebRtcLoggingHandlerHost();
 
   // BrowserMessageFilter implementation.
   virtual void OnChannelClosing() OVERRIDE;
   virtual void OnDestruct() const OVERRIDE;
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // Handles log message requests from renderer process.
   void OnAddLogMessages(const std::vector<WebRtcLoggingMessageData>& messages);
   void OnLoggingStoppedInRenderer();
 
   // Handles log message requests from browser process.
   void AddLogMessageFromBrowser(const WebRtcLoggingMessageData& message);
 
   void StartLoggingIfAllowed();
   void DoStartLogging();
@@ skipping 45 matching lines @@
   base::SharedMemoryHandle foreign_memory_handle_;
 
   // The system time in ms when logging is started. Reset when logging_state_
   // changes to STOPPED.
   base::Time logging_started_time_;
 
   DISALLOW_COPY_AND_ASSIGN(WebRtcLoggingHandlerHost);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_WEBRTC_LOGGING_HANDLER_HOST_H_