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

content/browser/renderer_host/media/video_capture_host.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/media/video_capture_host.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/renderer_host/media/media_stream_manager.h"
@@ skipping 176 matching lines @@
   if (entries_.find(controller_id) == entries_.end())
     return;
 
   Send(new VideoCaptureMsg_StateChanged(controller_id.device_id,
                                         VIDEO_CAPTURE_STATE_ENDED));
   DeleteVideoCaptureControllerOnIOThread(controller_id, false);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // IPC Messages handler.
-bool VideoCaptureHost::OnMessageReceived(const IPC::Message& message,
-                                         bool* message_was_ok) {
+bool VideoCaptureHost::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(VideoCaptureHost, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(VideoCaptureHost, message)
     IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_Start, OnStartCapture)
     IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_Pause, OnPauseCapture)
     IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_Stop, OnStopCapture)
     IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_BufferReady, OnReceiveEmptyBuffer)
     IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_GetDeviceSupportedFormats,
                         OnGetDeviceSupportedFormats)
     IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_GetDeviceFormatsInUse,
                         OnGetDeviceFormatsInUse)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 void VideoCaptureHost::OnStartCapture(int device_id,
                                       media::VideoCaptureSessionId session_id,
                                       const media::VideoCaptureParams& params) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DVLOG(1) << "VideoCaptureHost::OnStartCapture:"
            << " session_id=" << session_id
@@ skipping 132 matching lines @@
     return;
 
   if (it->second) {
     media_stream_manager_->video_capture_manager()->StopCaptureForClient(
         it->second.get(), controller_id, this, on_error);
   }
   entries_.erase(it);
 }
 
 }  // namespace content