Standardize usage of virtual/override/final in chrome/

chrome/service/cloud_print/cloud_print_proxy.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_SERVICE_CLOUD_PRINT_CLOUD_PRINT_PROXY_H_
 #define CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_PROXY_H_
 
 #include <list>
 #include <string>
 #include <vector>
@@ skipping 16 matching lines @@
                         public CloudPrintWipeout::Client,
                         public base::NonThreadSafe {
  public:
   class Client {
    public:
     virtual ~Client() {}
     virtual void OnCloudPrintProxyEnabled(bool persist_state) {}
     virtual void OnCloudPrintProxyDisabled(bool persist_state) {}
   };
   CloudPrintProxy();
-  virtual ~CloudPrintProxy();
+  ~CloudPrintProxy() override;
 
   // Initializes the object. This should be called every time an object of this
   // class is constructed.
   void Initialize(ServiceProcessPrefs* service_prefs, Client* client);
 
   // Enables/disables cloud printing for the user
   void EnableForUser();
   void EnableForUserWithRobot(
       const std::string& robot_auth_code,
       const std::string& robot_email,
       const std::string& user_email,
       const base::DictionaryValue& user_settings);
   void UnregisterPrintersAndDisableForUser();
   void DisableForUser();
   // Returns the proxy info.
   void GetProxyInfo(CloudPrintProxyInfo* info);
   // Return accessible printers.
   void GetPrinters(std::vector<std::string>* printers);
 
   // Launches a browser to see if the proxy policy has been set.
   void CheckCloudPrintProxyPolicy();
 
   const std::string& user_email() const {
     return user_email_;
   }
 
   // CloudPrintProxyFrontend implementation. Called on UI thread.
-  virtual void OnAuthenticated(const std::string& robot_oauth_refresh_token,
-                               const std::string& robot_email,
-                               const std::string& user_email) override;
-  virtual void OnAuthenticationFailed() override;
-  virtual void OnPrintSystemUnavailable() override;
-  virtual void OnUnregisterPrinters(
-      const std::string& auth_token,
-      const std::list<std::string>& printer_ids) override;
-  virtual void OnXmppPingUpdated(int ping_timeout) override;
+  void OnAuthenticated(const std::string& robot_oauth_refresh_token,
+                       const std::string& robot_email,
+                       const std::string& user_email) override;
+  void OnAuthenticationFailed() override;
+  void OnPrintSystemUnavailable() override;
+  void OnUnregisterPrinters(const std::string& auth_token,
+                            const std::list<std::string>& printer_ids) override;
+  void OnXmppPingUpdated(int ping_timeout) override;
 
   // CloudPrintWipeout::Client implementation.
-  virtual void OnUnregisterPrintersComplete() override;
+  void OnUnregisterPrintersComplete() override;
 
  protected:
   void ShutdownBackend();
   bool CreateBackend();
 
   // Our asynchronous backend to communicate with sync components living on
   // other threads.
   scoped_ptr<CloudPrintProxyBackend> backend_;
   // This class does not own this. It is guaranteed to remain valid for the
   // lifetime of this class.
   ServiceProcessPrefs* service_prefs_;
   // This class does not own this. If non-NULL, It is guaranteed to remain
   // valid for the lifetime of this class.
   Client* client_;
   // The email address of the account used to authenticate to the Cloud Print
   // service.
   std::string user_email_;
   // This is set to true when the Cloud Print proxy is enabled and after
   // successful authentication with the Cloud Print service.
   bool enabled_;
   // This is a cleanup class for unregistering printers on proxy disable.
   scoped_ptr<CloudPrintWipeout> wipeout_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintProxy);
 };
 
 }  // namespace cloud_print
 
 #endif  // CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_PROXY_H_