Update {virtual,override} to follow C++11 style in ppapi.

ppapi/nacl_irt/ppapi_dispatcher.h

 // Copyright 2014 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 PPAPI_NACL_IRT_PPAPI_DISPATCHER_H_
 #define PPAPI_NACL_IRT_PPAPI_DISPATCHER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 34 matching lines @@
                         public proxy::PluginProxyDelegate,
                         public IPC::Listener,
                         public IPC::Sender {
  public:
   PpapiDispatcher(scoped_refptr<base::MessageLoopProxy> io_loop,
                   base::WaitableEvent* shutdown_event,
                   int browser_ipc_fd,
                   int renderer_ipc_fd);
 
   // PluginDispatcher::PluginDelegate implementation.
-  virtual base::MessageLoopProxy* GetIPCMessageLoop() override;
-  virtual base::WaitableEvent* GetShutdownEvent() override;
-  virtual IPC::PlatformFileForTransit ShareHandleWithRemote(
+  base::MessageLoopProxy* GetIPCMessageLoop() override;
+  base::WaitableEvent* GetShutdownEvent() override;
+  IPC::PlatformFileForTransit ShareHandleWithRemote(
       base::PlatformFile handle,
       base::ProcessId peer_pid,
       bool should_close_source) override;
-  virtual std::set<PP_Instance>* GetGloballySeenInstanceIDSet() override;
-  virtual uint32 Register(
-      proxy::PluginDispatcher* plugin_dispatcher) override;
-  virtual void Unregister(uint32 plugin_dispatcher_id) override;
+  std::set<PP_Instance>* GetGloballySeenInstanceIDSet() override;
+  uint32 Register(proxy::PluginDispatcher* plugin_dispatcher) override;
+  void Unregister(uint32 plugin_dispatcher_id) override;
 
   // PluginProxyDelegate implementation.
-  virtual IPC::Sender* GetBrowserSender() override;
-  virtual std::string GetUILanguage() override;
-  virtual void PreCacheFont(const void* logfontw) override;
-  virtual void SetActiveURL(const std::string& url) override;
-  virtual PP_Resource CreateBrowserFont(
-      proxy::Connection connection,
-      PP_Instance instance,
-      const PP_BrowserFont_Trusted_Description& desc,
-      const Preferences& prefs) override;
+  IPC::Sender* GetBrowserSender() override;
+  std::string GetUILanguage() override;
+  void PreCacheFont(const void* logfontw) override;
+  void SetActiveURL(const std::string& url) override;
+  PP_Resource CreateBrowserFont(proxy::Connection connection,
+                                PP_Instance instance,
+                                const PP_BrowserFont_Trusted_Description& desc,
+                                const Preferences& prefs) override;
 
   // IPC::Listener implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
-  virtual void OnChannelError() override;
+  bool OnMessageReceived(const IPC::Message& message) override;
+  void OnChannelError() override;
 
   // IPC::Sender implementation
-  virtual bool Send(IPC::Message* message) override;
+  bool Send(IPC::Message* message) override;
 
  private:
   void OnMsgInitializeNaClDispatcher(const PpapiNaClPluginArgs& args);
   void OnPluginDispatcherMessageReceived(const IPC::Message& msg);
 
   std::set<PP_Instance> instances_;
   std::map<uint32, proxy::PluginDispatcher*> plugin_dispatchers_;
   uint32 next_plugin_dispatcher_id_;
 
   scoped_refptr<base::MessageLoopProxy> message_loop_;
   base::WaitableEvent* shutdown_event_;
   int renderer_ipc_fd_;
   scoped_ptr<IPC::SyncChannel> channel_;
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_NACL_IRT_PPAPI_DISPATCHER_H_