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

content/browser/worker_host/worker_message_filter.cc

 // Copyright (c) 2011 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/worker_host/worker_message_filter.h"
 
 #include "content/browser/message_port_message_filter.h"
 #include "content/browser/worker_host/worker_service_impl.h"
 #include "content/common/view_messages.h"
 #include "content/common/worker_messages.h"
@@ skipping 16 matching lines @@
 }
 
 WorkerMessageFilter::~WorkerMessageFilter() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 }
 
 void WorkerMessageFilter::OnChannelClosing() {
   WorkerServiceImpl::GetInstance()->OnWorkerMessageFilterClosing(this);
 }
 
-bool WorkerMessageFilter::OnMessageReceived(const IPC::Message& message,
-                                            bool* message_was_ok) {
+bool WorkerMessageFilter::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(WorkerMessageFilter, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(WorkerMessageFilter, message)
     // Worker messages.
     // Only sent from renderer for now, until we have nested workers.
     IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWorker, OnCreateWorker)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ForwardToWorker, OnForwardToWorker)
     // Only sent from renderer.
     IPC_MESSAGE_HANDLER(ViewHostMsg_DocumentDetached, OnDocumentDetached)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
 int WorkerMessageFilter::GetNextRoutingID() {
   return message_port_message_filter_->GetNextRoutingID();
 }
 
 void WorkerMessageFilter::OnCreateWorker(
     const ViewHostMsg_CreateWorker_Params& params,
     int* route_id) {
   bool url_error = false;
   *route_id = GetNextRoutingID();
   WorkerServiceImpl::GetInstance()->CreateWorker(
       params, *route_id, this, resource_context_, partition_, &url_error);
   if (url_error)
     *route_id = MSG_ROUTING_NONE;
 }
 
 void WorkerMessageFilter::OnForwardToWorker(const IPC::Message& message) {
   WorkerServiceImpl::GetInstance()->ForwardToWorker(message, this);
 }
 
 void WorkerMessageFilter::OnDocumentDetached(unsigned long long document_id) {
   WorkerServiceImpl::GetInstance()->DocumentDetached(document_id, this);
 }
 
 }  // namespace content