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

chrome/browser/ui/app_list/app_list_prefs.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_UI_APP_LIST_APP_LIST_PREFS_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_PREFS_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 52 matching lines @@
   };
 
   typedef std::map<std::string, AppListInfo> AppListInfoMap;
 
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   static AppListPrefs* Get(content::BrowserContext* context);
 
   static AppListPrefs* Create(PrefService* pref_service);
 
-  virtual ~AppListPrefs();
+  ~AppListPrefs() override;
 
   // Sets the app list info for |id|.
   void SetAppListInfo(const std::string& id, const AppListInfo& info);
 
   // Gets the app list info for |id|.
   scoped_ptr<AppListInfo> GetAppListInfo(const std::string& id) const;
 
   // Gets a map of all AppListInfo objects in the prefs.
   void GetAllAppListInfos(AppListInfoMap* out) const;
 
   // Deletes the app list info for |id|.
   void DeleteAppListInfo(const std::string& id);
 
  private:
   explicit AppListPrefs(PrefService* pref_service);
 
   PrefService* pref_service_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListPrefs);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_PREFS_H_