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

chrome/browser/speech/tts_message_filter.cc

 // Copyright (c) 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/speech/tts_message_filter.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/speech/tts_controller.h"
@@ skipping 17 matching lines @@
   case TtsHostMsg_InitializeVoiceList::ID:
   case TtsHostMsg_Speak::ID:
   case TtsHostMsg_Pause::ID:
   case TtsHostMsg_Resume::ID:
   case TtsHostMsg_Cancel::ID:
     *thread = BrowserThread::UI;
     break;
   }
 }
 
-bool TtsMessageFilter::OnMessageReceived(const IPC::Message& message,
-                                         bool* message_was_ok) {
+bool TtsMessageFilter::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(TtsMessageFilter, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(TtsMessageFilter, message)
     IPC_MESSAGE_HANDLER(TtsHostMsg_InitializeVoiceList, OnInitializeVoiceList)
     IPC_MESSAGE_HANDLER(TtsHostMsg_Speak, OnSpeak)
     IPC_MESSAGE_HANDLER(TtsHostMsg_Pause, OnPause)
     IPC_MESSAGE_HANDLER(TtsHostMsg_Resume, OnResume)
     IPC_MESSAGE_HANDLER(TtsHostMsg_Cancel, OnCancel)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
@@ skipping 102 matching lines @@
   OnInitializeVoiceList();
 }
 
 void TtsMessageFilter::OnChannelClosingInUIThread() {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   TtsController::GetInstance()->RemoveVoicesChangedDelegate(this);
 }
 
 TtsMessageFilter::~TtsMessageFilter() {
 }