Standardize usage of virtual/override/final in chrome/

chrome/service/cloud_print/job_status_updater.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_JOB_STATUS_UPDATER_H_
 #define CHROME_SERVICE_CLOUD_PRINT_JOB_STATUS_UPDATER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 27 matching lines @@
                    PlatformJobId& local_job_id,
                    const GURL& cloud_print_server_url,
                    PrintSystem* print_system,
                    Delegate* delegate);
 
   // Checks the status of the local print job and sends an update.
   void UpdateStatus();
   void Stop();
 
   // 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;
 
   base::Time start_time() const {
     return start_time_;
   }
 
  private:
   friend class base::RefCountedThreadSafe<JobStatusUpdater>;
-  virtual ~JobStatusUpdater();
+  ~JobStatusUpdater() override;
 
   base::Time start_time_;
   std::string printer_name_;
   std::string job_id_;
   PlatformJobId local_job_id_;
   PrintJobDetails last_job_details_;
   scoped_refptr<CloudPrintURLFetcher> request_;
   GURL cloud_print_server_url_;
   scoped_refptr<PrintSystem> print_system_;
   Delegate* delegate_;
   // A flag that is set to true in Stop() and will ensure the next scheduled
   // task will do nothing.
   bool stopped_;
   DISALLOW_COPY_AND_ASSIGN(JobStatusUpdater);
 };
 
 // This typedef is to workaround the issue with certain versions of
 // Visual Studio where it gets confused between multiple Delegate
 // classes and gives a C2500 error. (I saw this error on the try bots -
 // the workaround was not needed for my machine).
 typedef JobStatusUpdater::Delegate JobStatusUpdaterDelegate;
 
 }  // namespace cloud_print
 
 #endif  // CHROME_SERVICE_CLOUD_PRINT_JOB_STATUS_UPDATER_H_