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

chrome/browser/supervised_user/supervised_user_pref_store.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_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
 #define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 10 matching lines @@
 class SupervisedUserSettingsService;
 
 // A PrefStore that gets its values from supervised user settings via the
 // SupervisedUserSettingsService passed in at construction.
 class SupervisedUserPrefStore : public PrefStore {
  public:
   SupervisedUserPrefStore(
       SupervisedUserSettingsService* supervised_user_settings_service);
 
   // PrefStore overrides:
-  virtual bool GetValue(const std::string& key,
-                        const base::Value** value) const override;
-  virtual void AddObserver(PrefStore::Observer* observer) override;
-  virtual void RemoveObserver(PrefStore::Observer* observer) override;
-  virtual bool HasObservers() const override;
-  virtual bool IsInitializationComplete() const override;
+  bool GetValue(const std::string& key,
+                const base::Value** value) const override;
+  void AddObserver(PrefStore::Observer* observer) override;
+  void RemoveObserver(PrefStore::Observer* observer) override;
+  bool HasObservers() const override;
+  bool IsInitializationComplete() const override;
 
  private:
-  virtual ~SupervisedUserPrefStore();
+  ~SupervisedUserPrefStore() override;
 
   void OnNewSettingsAvailable(const base::DictionaryValue* settings);
 
   scoped_ptr<PrefValueMap> prefs_;
 
   ObserverList<PrefStore::Observer, true> observers_;
 
   base::WeakPtrFactory<SupervisedUserPrefStore> weak_ptr_factory_;
 };
 
 #endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_