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

content/browser/devtools/worker_devtools_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/devtools/worker_devtools_message_filter.h"
 
 #include "content/browser/devtools/worker_devtools_manager.h"
 #include "content/common/devtools_messages.h"
 #include "content/common/worker_messages.h"
 
 namespace content {
 
 WorkerDevToolsMessageFilter::WorkerDevToolsMessageFilter(
     int worker_process_host_id)
     : BrowserMessageFilter(DevToolsMsgStart),
       worker_process_host_id_(worker_process_host_id),
       current_routing_id_(0) {
 }
 
 WorkerDevToolsMessageFilter::~WorkerDevToolsMessageFilter() {
 }
 
 bool WorkerDevToolsMessageFilter::OnMessageReceived(
-    const IPC::Message& message,
-    bool* message_was_ok) {
+    const IPC::Message& message) {
   bool handled = true;
   current_routing_id_ = message.routing_id();
-  IPC_BEGIN_MESSAGE_MAP_EX(WorkerDevToolsMessageFilter, message,
-                           *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(WorkerDevToolsMessageFilter, message)
     IPC_MESSAGE_HANDLER(DevToolsClientMsg_DispatchOnInspectorFrontend,
                         OnDispatchOnInspectorFrontend)
     IPC_MESSAGE_HANDLER(DevToolsHostMsg_SaveAgentRuntimeState,
                         OnSaveAgentRumtimeState)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void WorkerDevToolsMessageFilter::OnDispatchOnInspectorFrontend(
     const std::string& message) {
   WorkerDevToolsManager::GetInstance()->ForwardToDevToolsClient(
       worker_process_host_id_, current_routing_id_, message);
 }
 
 void WorkerDevToolsMessageFilter::OnSaveAgentRumtimeState(
     const std::string& state) {
   WorkerDevToolsManager::GetInstance()->SaveAgentRuntimeState(
       worker_process_host_id_, current_routing_id_, state);
 }
 
 }  // namespace content