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

content/browser/loader/resource_message_filter.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/loader/resource_message_filter.h"
 
 #include "content/browser/appcache/chrome_appcache_service.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
@@ skipping 24 matching lines @@
 
 ResourceMessageFilter::~ResourceMessageFilter() {
 }
 
 void ResourceMessageFilter::OnChannelClosing() {
   // Unhook us from all pending network requests so they don't get sent to a
   // deleted object.
   ResourceDispatcherHostImpl::Get()->CancelRequestsForProcess(child_id_);
 }
 
-bool ResourceMessageFilter::OnMessageReceived(const IPC::Message& message,
-                                              bool* message_was_ok) {
-  return ResourceDispatcherHostImpl::Get()->OnMessageReceived(
-      message, this, message_was_ok);
+bool ResourceMessageFilter::OnMessageReceived(const IPC::Message& message) {
+  return ResourceDispatcherHostImpl::Get()->OnMessageReceived(message, this);
 }
 
 void ResourceMessageFilter::GetContexts(
     const ResourceHostMsg_Request& request,
     ResourceContext** resource_context,
     net::URLRequestContext** request_context) {
   return get_contexts_callback_.Run(request, resource_context, request_context);
 }
 
 base::WeakPtr<ResourceMessageFilter> ResourceMessageFilter::GetWeakPtr() {
   return weak_ptr_factory_.GetWeakPtr();
 }
 
 }  // namespace content