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

chrome/browser/media/webrtc_logging_handler_host.cc

 // 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.
 
 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 244 matching lines @@
       g_browser_process->webrtc_log_uploader()->LoggingStoppedDontUpload();
     }
   }
   content::BrowserMessageFilter::OnChannelClosing();
 }
 
 void WebRtcLoggingHandlerHost::OnDestruct() const {
   BrowserThread::DeleteOnIOThread::Destruct(this);
 }
 
-bool WebRtcLoggingHandlerHost::OnMessageReceived(const IPC::Message& message,
-                                                 bool* message_was_ok) {
+bool WebRtcLoggingHandlerHost::OnMessageReceived(const IPC::Message& message) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(WebRtcLoggingHandlerHost, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(WebRtcLoggingHandlerHost, message)
     IPC_MESSAGE_HANDLER(WebRtcLoggingMsg_AddLogMessages, OnAddLogMessages)
     IPC_MESSAGE_HANDLER(WebRtcLoggingMsg_LoggingStopped,
                         OnLoggingStoppedInRenderer)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 void WebRtcLoggingHandlerHost::AddLogMessageFromBrowser(
     const WebRtcLoggingMessageData& message) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (logging_state_ == STARTED)
     LogToCircularBuffer(message.Format(logging_started_time_));
 }
@@ skipping 193 matching lines @@
 void WebRtcLoggingHandlerHost::FireGenericDoneCallback(
     GenericDoneCallback* callback, bool success,
     const std::string& error_message) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DCHECK(!(*callback).is_null());
   content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
                                    base::Bind(*callback, success,
                                               error_message));
   (*callback).Reset();
 }