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

chrome/browser/renderer_host/chrome_render_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 "chrome/browser/renderer_host/chrome_render_message_filter.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 78 matching lines @@
       off_the_record_(profile_->IsOffTheRecord()),
       predictor_(profile_->GetNetworkPredictor()),
       request_context_(request_context),
       extension_info_map_(
           extensions::ExtensionSystem::Get(profile)->info_map()),
       cookie_settings_(CookieSettings::Factory::GetForProfile(profile)) {}
 
 ChromeRenderMessageFilter::~ChromeRenderMessageFilter() {
 }
 
-bool ChromeRenderMessageFilter::OnMessageReceived(const IPC::Message& message,
-                                                  bool* message_was_ok) {
+bool ChromeRenderMessageFilter::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(ChromeRenderMessageFilter, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(ChromeRenderMessageFilter, message)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DnsPrefetch, OnDnsPrefetch)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_Preconnect, OnPreconnect)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_ResourceTypeStats,
                         OnResourceTypeStats)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_UpdatedCacheStats,
                         OnUpdatedCacheStats)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_FPS, OnFPS)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_V8HeapStats, OnV8HeapStats)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_OpenChannelToExtension,
                         OnOpenChannelToExtension)
@@ skipping 358 matching lines @@
   // Since all extensions could historically write to the clipboard, preserve it
   // for compatibility.
   *allowed = (origin.SchemeIs(extensions::kExtensionScheme) ||
       extension_info_map_->SecurityOriginHasAPIPermission(
           origin, render_process_id_, APIPermission::kClipboardWrite));
 }
 
 void ChromeRenderMessageFilter::OnIsCrashReportingEnabled(bool* enabled) {
   *enabled = MetricsServiceHelper::IsCrashReportingEnabled();
 }