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

chrome/browser/chrome_net_benchmarking_message_filter.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROME_NET_BENCHMARKING_MESSAGE_FILTER_H_
 #define CHROME_BROWSER_CHROME_NET_BENCHMARKING_MESSAGE_FILTER_H_
 
 #include "content/public/browser/browser_message_filter.h"
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 class Profile;
 
 // This class filters out incoming Chrome-specific benchmarking IPC messages
 // for the renderer process on the IPC thread.
 class ChromeNetBenchmarkingMessageFilter
     : public content::BrowserMessageFilter {
  public:
   ChromeNetBenchmarkingMessageFilter(
       Profile* profile,
       net::URLRequestContextGetter* request_context);
 
   // content::BrowserMessageFilter methods:
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
  private:
   virtual ~ChromeNetBenchmarkingMessageFilter();
 
   // Message handlers.
   void OnCloseCurrentConnections();
   void OnClearCache(IPC::Message* reply_msg);
   void OnClearHostResolverCache(int* result);
   void OnSetCacheMode(bool enabled);
   void OnClearPredictorCache(int* result);
 
   // Returns true if benchmarking is enabled for chrome.
   bool CheckBenchmarkingEnabled() const;
 
   // The Profile associated with our renderer process.  This should only be
   // accessed on the UI thread!
   Profile* profile_;
   scoped_refptr<net::URLRequestContextGetter> request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNetBenchmarkingMessageFilter);
 };
 
 #endif  // CHROME_BROWSER_CHROME_NET_BENCHMARKING_MESSAGE_FILTER_H_