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

content/browser/quota_dispatcher_host.cc

 // Copyright 2013 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/quota_dispatcher_host.h"
 
 #include "base/bind.h"
 #include "base/memory/weak_ptr.h"
 #include "base/numerics/safe_conversions.h"
 #include "content/common/quota_messages.h"
@@ skipping 202 matching lines @@
     int process_id,
     QuotaManager* quota_manager,
     QuotaPermissionContext* permission_context)
     : BrowserMessageFilter(QuotaMsgStart),
       process_id_(process_id),
       quota_manager_(quota_manager),
       permission_context_(permission_context),
       weak_factory_(this) {
 }
 
-bool QuotaDispatcherHost::OnMessageReceived(
-    const IPC::Message& message, bool* message_was_ok) {
-  *message_was_ok = true;
+bool QuotaDispatcherHost::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(QuotaDispatcherHost, message, *message_was_ok)
+  IPC_BEGIN_MESSAGE_MAP(QuotaDispatcherHost, message)
     IPC_MESSAGE_HANDLER(QuotaHostMsg_QueryStorageUsageAndQuota,
                         OnQueryStorageUsageAndQuota)
     IPC_MESSAGE_HANDLER(QuotaHostMsg_RequestStorageQuota,
                         OnRequestStorageQuota)
     IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
+  IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 QuotaDispatcherHost::~QuotaDispatcherHost() {}
 
 void QuotaDispatcherHost::OnQueryStorageUsageAndQuota(
     int request_id,
     const GURL& origin,
     StorageType type) {
   QueryUsageAndQuotaDispatcher* dispatcher = new QueryUsageAndQuotaDispatcher(
@@ skipping 11 matching lines @@
     return;
   }
 
   RequestQuotaDispatcher* dispatcher =
       new RequestQuotaDispatcher(weak_factory_.GetWeakPtr(),
                                  params);
   dispatcher->Start();
 }
 
 }  // namespace content