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

content/browser/renderer_host/pepper/pepper_renderer_connection.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 "content/browser/renderer_host/pepper/pepper_renderer_connection.h"
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "content/browser/browser_child_process_host_impl.h"
 #include "content/browser/ppapi_plugin_process_host.h"
@@ skipping 114 matching lines @@
 
   // If the message is being sent from an in-process plugin, we own the
   // BrowserPpapiHost.
   if (!host && child_process_id == 0) {
     host = in_process_host_.get();
   }
 
   return host;
 }
 
-bool PepperRendererConnection::OnMessageReceived(const IPC::Message& msg,
-                                                 bool* message_was_ok) {
+bool PepperRendererConnection::OnMessageReceived(const IPC::Message& msg) {
   if (in_process_host_->GetPpapiHost()->OnMessageReceived(msg))
     return true;
 
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(PepperRendererConnection, msg, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(PepperRendererConnection, msg)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_CreateResourceHostsFromHost,
                         OnMsgCreateResourceHostsFromHost)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidCreateInProcessInstance,
                         OnMsgDidCreateInProcessInstance)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidDeleteInProcessInstance,
                         OnMsgDidDeleteInProcessInstance)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 void PepperRendererConnection::OnMsgCreateResourceHostsFromHost(
     int routing_id,
     int child_process_id,
     const ppapi::proxy::ResourceMessageCallParams& params,
     PP_Instance instance,
     const std::vector<IPC::Message>& nested_msgs) {
@@ skipping 69 matching lines @@
   data.render_process_id = render_process_id_;
   in_process_host_->AddInstance(instance, data);
 }
 
 void PepperRendererConnection::OnMsgDidDeleteInProcessInstance(
     PP_Instance instance) {
   in_process_host_->DeleteInstance(instance);
 }
 
 }  // namespace content