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

content/browser/loader/async_resource_handler.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/async_resource_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 79 matching lines @@
       sent_first_data_msg_(false),
       reported_transfer_size_(0) {
   InitializeResourceBufferConstants();
 }
 
 AsyncResourceHandler::~AsyncResourceHandler() {
   if (has_checked_for_sufficient_resources_)
     rdh_->FinishedWithResourcesForRequest(request());
 }
 
-bool AsyncResourceHandler::OnMessageReceived(const IPC::Message& message,
-                                             bool* message_was_ok) {
+bool AsyncResourceHandler::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(AsyncResourceHandler, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(AsyncResourceHandler, message)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_FollowRedirect, OnFollowRedirect)
     IPC_MESSAGE_HANDLER(ResourceHostMsg_DataReceived_ACK, OnDataReceivedACK)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void AsyncResourceHandler::OnFollowRedirect(int request_id) {
   if (!request()->status().is_success()) {
     DVLOG(1) << "OnFollowRedirect for invalid request";
     return;
   }
 
   ResumeIfDeferred();
@@ skipping 285 matching lines @@
     request()->LogUnblocked();
     controller()->Resume();
   }
 }
 
 void AsyncResourceHandler::OnDefer() {
   request()->LogBlockedBy("AsyncResourceHandler");
 }
 
 }  // namespace content