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

chrome/browser/plugins/plugin_info_message_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 CHROME_BROWSER_PLUGINS_PLUGIN_INFO_MESSAGE_FILTER_H_
 #define CHROME_BROWSER_PLUGINS_PLUGIN_INFO_MESSAGE_FILTER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 60 matching lines @@
     const HostContentSettingsMap* host_content_settings_map_;
     scoped_refptr<PluginPrefs> plugin_prefs_;
 
     BooleanPrefMember allow_outdated_plugins_;
     BooleanPrefMember always_authorize_plugins_;
   };
 
   PluginInfoMessageFilter(int render_process_id, Profile* profile);
 
   // content::BrowserMessageFilter methods:
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnDestruct() const OVERRIDE;
 
  private:
   friend struct content::BrowserThread::DeleteOnThread<
       content::BrowserThread::UI>;
   friend class base::DeleteHelper<PluginInfoMessageFilter>;
 
   virtual ~PluginInfoMessageFilter();
 
   void OnGetPluginInfo(int render_frame_id,
@@ skipping 21 matching lines @@
       std::vector<base::string16>* additional_param_values);
 
   Context context_;
 
   base::WeakPtrFactory<PluginInfoMessageFilter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInfoMessageFilter);
 };
 
 #endif  // CHROME_BROWSER_PLUGINS_PLUGIN_INFO_MESSAGE_FILTER_H_