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

chrome/browser/chromeos/settings/owner_flags_storage.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_SETTINGS_OWNER_FLAGS_STORAGE_H_
 #define CHROME_BROWSER_CHROMEOS_SETTINGS_OWNER_FLAGS_STORAGE_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/pref_service_flags_storage.h"
 
 namespace ownership {
 class OwnerSettingsService;
 }
 
 namespace chromeos {
 
 namespace about_flags {
 
 // Implements the FlagsStorage interface for the owner flags. It inherits from
 // PrefServiceFlagsStorage but extends it with storing the flags in the signed
 // settings as well which effectively applies them to the login session as well.
 class OwnerFlagsStorage : public ::about_flags::PrefServiceFlagsStorage {
  public:
   OwnerFlagsStorage(PrefService* prefs,
                     ownership::OwnerSettingsService* owner_settings_service);
-  virtual ~OwnerFlagsStorage();
+  ~OwnerFlagsStorage() override;
 
-  virtual bool SetFlags(const std::set<std::string>& flags) override;
+  bool SetFlags(const std::set<std::string>& flags) override;
 
  private:
   ownership::OwnerSettingsService* owner_settings_service_;
 };
 
 }  // namespace about_flags
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SETTINGS_OWNER_FLAGS_STORAGE_H_