Standardize usage of virtual/override/final in remoting/

remoting/host/setup/me2me_native_messaging_host.h

Index: remoting/host/setup/me2me_native_messaging_host.h
diff --git a/remoting/host/setup/me2me_native_messaging_host.h b/remoting/host/setup/me2me_native_messaging_host.h
index 507e6826eea9f9547db41bbb27e37e1c2ff752ef..1886f5112cd7722bccd20574ad7ee8a32d04d77a 100644
--- a/remoting/host/setup/me2me_native_messaging_host.h
+++ b/remoting/host/setup/me2me_native_messaging_host.h
@@ -44,13 +44,13 @@ class Me2MeNativeMessagingHost
       scoped_refptr<DaemonController> daemon_controller,
       scoped_refptr<protocol::PairingRegistry> pairing_registry,
       scoped_ptr<OAuthClient> oauth_client);
-  virtual ~Me2MeNativeMessagingHost();
+  ~Me2MeNativeMessagingHost() override;
 
   void Start(const base::Closure& quit_closure);
 
   // extensions::NativeMessagingChannel::EventHandler implementation
-  virtual void OnMessage(scoped_ptr<base::Value> message) override;
-  virtual void OnDisconnect() override;
+  void OnMessage(scoped_ptr<base::Value> message) override;
+  void OnDisconnect() override;
 
  private:
   // These "Process.." methods handle specific request types. The |response|