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

content/browser/loader/resource_scheduler_filter.h

 // 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.
 
 #ifndef CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_FILTER_H_
 #define CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_FILTER_H_
 
 #include "content/public/browser/browser_message_filter.h"
 
 namespace content {
 
 // This class listens for incoming ViewHostMsgs that are applicable to the
 // ResourceScheduler and invokes the appropriate notifications. It must be
 // inserted before the RenderMessageFilter, because the ResourceScheduler runs
 // on the IO thread and we want to see the messages before the view messages are
 // bounced to the UI thread.
 class ResourceSchedulerFilter : public BrowserMessageFilter {
  public:
   explicit ResourceSchedulerFilter(int child_id);
 
   // BrowserMessageFilter methods:
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
  private:
   virtual ~ResourceSchedulerFilter();
 
   int child_id_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_SCHEDULER_FILTER_H_