Standardize usage of virtual/override/final in chrome/

chrome/service/cloud_print/cloud_print_auth.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_AUTH_H_
 #define CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_AUTH_H_
 
 #include <string>
 
 #include "base/values.h"
@@ skipping 38 matching lines @@
   // actually perform synchronous (and potentially blocking) operations.
   void AuthenticateWithToken(const std::string& cloud_print_token);
   void AuthenticateWithRobotToken(const std::string& robot_oauth_refresh_token,
                                   const std::string& robot_email);
   void AuthenticateWithRobotAuthCode(const std::string& robot_oauth_auth_code,
                                      const std::string& robot_email);
 
   void RefreshAccessToken();
 
   // gaia::GaiaOAuthClient::Delegate implementation.
-  virtual void OnGetTokensResponse(const std::string& refresh_token,
-                                   const std::string& access_token,
-                                   int expires_in_seconds) override;
-  virtual void OnRefreshTokenResponse(const std::string& access_token,
-                                      int expires_in_seconds) override;
-  virtual void OnOAuthError() override;
-  virtual void OnNetworkError(int response_code) override;
+  void OnGetTokensResponse(const std::string& refresh_token,
+                           const std::string& access_token,
+                           int expires_in_seconds) override;
+  void OnRefreshTokenResponse(const std::string& access_token,
+                              int expires_in_seconds) override;
+  void OnOAuthError() override;
+  void OnNetworkError(int response_code) override;
 
   // CloudPrintURLFetcher::Delegate implementation.
-  virtual CloudPrintURLFetcher::ResponseAction HandleJSONData(
+  CloudPrintURLFetcher::ResponseAction HandleJSONData(
       const net::URLFetcher* source,
       const GURL& url,
       base::DictionaryValue* json_data,
       bool succeeded) override;
-  virtual CloudPrintURLFetcher::ResponseAction OnRequestAuthError() override;
-  virtual std::string GetAuthHeader() override;
+  CloudPrintURLFetcher::ResponseAction OnRequestAuthError() override;
+  std::string GetAuthHeader() override;
 
  private:
   friend class base::RefCountedThreadSafe<CloudPrintAuth>;
-  virtual ~CloudPrintAuth();
+  ~CloudPrintAuth() override;
 
   Client* client_;
   gaia::OAuthClientInfo oauth_client_info_;
   scoped_ptr<gaia::GaiaOAuthClient> oauth_client_;
 
   // The CloudPrintURLFetcher instance for the current request.
   scoped_refptr<CloudPrintURLFetcher> request_;
 
   GURL cloud_print_server_url_;
   // Proxy id, need to send to the cloud print server to find and update
@@ skipping 11 matching lines @@
   // get the robot account.
   std::string client_login_token_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintAuth);
 };
 
 }  // namespace cloud_print
 
 #endif  // CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_AUTH_H_