Standardize usage of virtual/override/final in chrome/browser/

chrome/browser/metrics/signin_status_metrics_provider.h

 // Copyright 2014 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_BROWSER_METRICS_SIGNIN_STATUS_METRICS_PROVIDER_H_
 #define CHROME_BROWSER_METRICS_SIGNIN_STATUS_METRICS_PROVIDER_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 16 matching lines @@
 }
 
 // Collect login status of all opened profiles during one UMA session and record
 // the value into a histogram before UMA log is uploaded. It's currently not
 // supported on platform chromeos, Android or iOS.
 class SigninStatusMetricsProvider : public metrics::MetricsProvider,
                                     public chrome::BrowserListObserver,
                                     public SigninManagerBase::Observer,
                                     public SigninManagerFactory::Observer {
  public:
-  virtual ~SigninStatusMetricsProvider();
+  ~SigninStatusMetricsProvider() override;
 
   // metrics::MetricsProvider:
   void ProvideGeneralMetrics(
       metrics::ChromeUserMetricsExtension* uma_proto) override;
 
   // Factory method, creates a new instance of this class.
   static SigninStatusMetricsProvider* CreateInstance();
 
  private:
   // The boolean |is_test| indicates whether or not this is an instance for
@@ skipping 16 matching lines @@
     ALL_PROFILES_SIGNED_IN,
     ALL_PROFILES_NOT_SIGNED_IN,
     MIXED_SIGNIN_STATUS,
     UNKNOWN_SIGNIN_STATUS,
     ERROR_GETTING_SIGNIN_STATUS,
     SIGNIN_STATUS_MAX,
   };
 
   // chrome::BrowserListObserver:
   // This will never be called on Android.
-  virtual void OnBrowserAdded(Browser* browser) override;
+  void OnBrowserAdded(Browser* browser) override;
 
   // SigninManagerFactory::Observer:
-  virtual void SigninManagerCreated(SigninManagerBase* manager) override;
-  virtual void SigninManagerShutdown(SigninManagerBase* manager) override;
+  void SigninManagerCreated(SigninManagerBase* manager) override;
+  void SigninManagerShutdown(SigninManagerBase* manager) override;
 
   // SigninManagerBase::Observer:
-  virtual void GoogleSigninSucceeded(const std::string& account_id,
-                                     const std::string& username,
-                                     const std::string& password) override;
-  virtual void GoogleSignedOut(const std::string& account_id,
-                               const std::string& username) override;
+  void GoogleSigninSucceeded(const std::string& account_id,
+                             const std::string& username,
+                             const std::string& password) override;
+  void GoogleSignedOut(const std::string& account_id,
+                       const std::string& username) override;
 
   // Obtain sign-in status and add observers.
   void Initialize();
 
   // Update the sign-in status based on all currently opened profiles. Called by
   // ComputeCurrentSigninStatus at class construction and right after each UMA
   // log upload. |total_count| is the number of opened profiles and
   // |signed_in_count| represents the number of signed-in profiles among those
   // |total_count| profiles.
   void UpdateInitialSigninStatus(size_t total_count, size_t signed_in_count);
@@ skipping 21 matching lines @@
 
   // Whether the instance is for testing or not.
   bool is_test_;
 
   base::WeakPtrFactory<SigninStatusMetricsProvider> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninStatusMetricsProvider);
 };
 
 #endif  // CHROME_BROWSER_METRICS_SIGNIN_STATUS_METRICS_PROVIDER_H_