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

content/browser/renderer_host/media/media_stream_dispatcher_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/media_stream_dispatcher_host.h"
 
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/common/media/media_stream_messages.h"
 #include "content/common/media/media_stream_options.h"
@@ skipping 73 matching lines @@
     const std::string& label,
     const StreamDeviceInfo& video_device) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DVLOG(1) << "MediaStreamDispatcherHost::DeviceOpened("
            << ", {page_request_id = " << page_request_id <<  "})";
 
   Send(new MediaStreamMsg_DeviceOpened(
       render_view_id, page_request_id, label, video_device));
 }
 
-bool MediaStreamDispatcherHost::OnMessageReceived(
-    const IPC::Message& message, bool* message_was_ok) {
+bool MediaStreamDispatcherHost::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(MediaStreamDispatcherHost, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(MediaStreamDispatcherHost, message)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_GenerateStream, OnGenerateStream)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_CancelGenerateStream,
                         OnCancelGenerateStream)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_StopStreamDevice,
                         OnStopStreamDevice)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_EnumerateDevices,
                         OnEnumerateDevices)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_CancelEnumerateDevices,
                         OnCancelEnumerateDevices)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_OpenDevice,
                         OnOpenDevice)
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_CloseDevice,
                         OnCloseDevice)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void MediaStreamDispatcherHost::OnChannelClosing() {
   DVLOG(1) << "MediaStreamDispatcherHost::OnChannelClosing";
 
   // Since the IPC channel is gone, close all requesting/requested streams.
   media_stream_manager_->CancelAllRequests(render_process_id_);
 }
 
@@ skipping 106 matching lines @@
   if (!ChildProcessSecurityPolicyImpl::GetInstance()->CanRequestURL(
           render_process_id_, url)) {
     LOG(ERROR) << "MSDH: Renderer requested a URL it's not allowed to use.";
     return false;
   }
 
   return true;
 }
 
 }  // namespace content