Standardize usage of virtual/override/final in remoting/

remoting/host/register_support_host_request.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 REMOTING_HOST_REGISTER_SUPPORT_HOST_REQUEST_H_
 #define REMOTING_HOST_REGISTER_SUPPORT_HOST_REQUEST_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 32 matching lines @@
   // object. |callback| is called when registration response is
   // received from the server. Callback is never called if the bot
   // malfunctions and doesn't respond to the request.
   //
   // TODO(sergeyu): This class should have timeout for the bot
   // response.
   RegisterSupportHostRequest(SignalStrategy* signal_strategy,
                              scoped_refptr<RsaKeyPair> key_pair,
                              const std::string& directory_bot_jid,
                              const RegisterCallback& callback);
-  virtual ~RegisterSupportHostRequest();
+  ~RegisterSupportHostRequest() override;
 
   // HostStatusObserver implementation.
-  virtual void OnSignalStrategyStateChange(
-      SignalStrategy::State state) override;
-  virtual bool OnSignalStrategyIncomingStanza(
-      const buzz::XmlElement* stanza) override;
+  void OnSignalStrategyStateChange(SignalStrategy::State state) override;
+  bool OnSignalStrategyIncomingStanza(const buzz::XmlElement* stanza) override;
 
  private:
   void DoSend();
 
   scoped_ptr<buzz::XmlElement> CreateRegistrationRequest(
       const std::string& jid);
   scoped_ptr<buzz::XmlElement> CreateSignature(const std::string& jid);
 
   void ProcessResponse(IqRequest* request, const buzz::XmlElement* response);
   bool ParseResponse(const buzz::XmlElement* response,
                      std::string* support_id, base::TimeDelta* lifetime);
 
   void CallCallback(
       bool success, const std::string& support_id, base::TimeDelta lifetime);
 
   SignalStrategy* signal_strategy_;
   scoped_refptr<RsaKeyPair> key_pair_;
   std::string directory_bot_jid_;
   RegisterCallback callback_;
 
   scoped_ptr<IqSender> iq_sender_;
   scoped_ptr<IqRequest> request_;
 
   DISALLOW_COPY_AND_ASSIGN(RegisterSupportHostRequest);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_REGISTER_SUPPORT_HOST_REQUEST_H_