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

chrome/browser/media/cast_transport_host_filter.cc

 // Copyright 2014 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/cast_transport_host_filter.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "media/cast/transport/cast_transport_sender.h"
 
 namespace {
 
 // How often to send raw events.
 const int kSendRawEventsIntervalSecs = 1;
 
 }
 
 namespace cast {
 
 CastTransportHostFilter::CastTransportHostFilter()
     : BrowserMessageFilter(CastMsgStart) {}
 
 CastTransportHostFilter::~CastTransportHostFilter() {}
 
-bool CastTransportHostFilter::OnMessageReceived(const IPC::Message& message,
-                                                bool* message_was_ok) {
+bool CastTransportHostFilter::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(CastTransportHostFilter, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(CastTransportHostFilter, message)
     IPC_MESSAGE_HANDLER(CastHostMsg_New, OnNew)
     IPC_MESSAGE_HANDLER(CastHostMsg_Delete, OnDelete)
     IPC_MESSAGE_HANDLER(CastHostMsg_InitializeAudio, OnInitializeAudio)
     IPC_MESSAGE_HANDLER(CastHostMsg_InitializeVideo, OnInitializeVideo)
     IPC_MESSAGE_HANDLER(CastHostMsg_InsertCodedAudioFrame,
                         OnInsertCodedAudioFrame)
     IPC_MESSAGE_HANDLER(CastHostMsg_InsertCodedVideoFrame,
                         OnInsertCodedVideoFrame)
     IPC_MESSAGE_HANDLER(CastHostMsg_SendRtcpFromRtpSender,
                         OnSendRtcpFromRtpSender)
     IPC_MESSAGE_HANDLER(CastHostMsg_ResendPackets,
                         OnResendPackets)
     IPC_MESSAGE_UNHANDLED(handled = false);
-  IPC_END_MESSAGE_MAP_EX();
+  IPC_END_MESSAGE_MAP();
   return handled;
 }
 
 void CastTransportHostFilter::NotifyStatusChange(
     int32 channel_id,
     media::cast::transport::CastTransportStatus status) {
   Send(new CastMsg_NotifyStatusChange(channel_id, status));
 }
 
 void CastTransportHostFilter::ReceivedPacket(
@@ skipping 133 matching lines @@
       id_map_.Lookup(channel_id);
   if (sender) {
     sender->ResendPackets(is_audio, missing_packets);
   } else {
     DVLOG(1)
         << "CastTransportHostFilter::OnResendPackets on non-existing channel";
   }
 }
 
 }  // namespace cast