Update {virtual,override,final} to follow C++11 style chrome/browser/ui.

chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 
 #include <vector>
 
 #include "ash/ash_switches.h"
 #include "ash/desktop_background/desktop_background_controller.h"
@@ skipping 268 matching lines @@
       : controller_(controller) {
     DCHECK(user_manager::UserManager::IsInitialized());
     user_manager::UserManager::Get()->AddSessionStateObserver(this);
     // A UserAddedToSession notification can be sent before a profile is loaded.
     // Since our observers require that we have already a profile, we might have
     // to postpone the notification until the ProfileManager lets us know that
     // the profile for that newly added user was added to the ProfileManager.
     registrar_.Add(this, chrome::NOTIFICATION_PROFILE_ADDED,
                    content::NotificationService::AllSources());
   }
-  virtual ~ChromeLauncherControllerUserSwitchObserverChromeOS() {
+  ~ChromeLauncherControllerUserSwitchObserverChromeOS() override {
     user_manager::UserManager::Get()->RemoveSessionStateObserver(this);
   }
 
   // user_manager::UserManager::UserSessionStateObserver overrides:
-  virtual void UserAddedToSession(
-      const user_manager::User* added_user) override;
+  void UserAddedToSession(const user_manager::User* added_user) override;
 
   // content::NotificationObserver overrides:
-  virtual void Observe(int type,
+  void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
  private:
   // Add a user to the session.
   void AddUser(Profile* profile);
 
   // The owning ChromeLauncherController.
   ChromeLauncherController* controller_;
 
@@ skipping 1819 matching lines @@
 void ChromeLauncherController::ReleaseProfile() {
   if (app_sync_ui_state_)
     app_sync_ui_state_->RemoveObserver(this);
 
   extensions::ExtensionRegistry::Get(profile_)->RemoveObserver(this);
 
   PrefServiceSyncable::FromProfile(profile_)->RemoveObserver(this);
 
   pref_change_registrar_.RemoveAll();
 }