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

chrome/browser/chromeos/app_mode/kiosk_app_data.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_APP_MODE_KIOSK_APP_DATA_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_DATA_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 36 matching lines @@
     STATUS_INIT,     // Data initialized with app id.
     STATUS_LOADING,  // Loading data from cache or web store.
     STATUS_LOADED,   // Data loaded.
     STATUS_ERROR,    // Failed to load data.
   };
 
   KioskAppData(KioskAppDataDelegate* delegate,
                const std::string& app_id,
                const std::string& user_id,
                const GURL& update_url);
-  virtual ~KioskAppData();
+  ~KioskAppData() override;
 
   // Loads app data from cache. If there is no cached data, fetches it
   // from web store.
   void Load();
 
   // Clears locally cached data.
   void ClearCache();
 
   // Loads app data from the app installed in the given profile.
   void LoadFromInstalledApp(Profile* profile, const extensions::Extension* app);
@@ skipping 38 matching lines @@
   void OnIconLoadFailure();
 
   // Callbacks for WebstoreDataParser
   void OnWebstoreParseSuccess(const SkBitmap& icon);
   void OnWebstoreParseFailure();
 
   // Starts to fetch data from web store.
   void StartFetch();
 
   // extensions::WebstoreDataFetcherDelegate overrides:
-  virtual void OnWebstoreRequestFailure() override;
-  virtual void OnWebstoreResponseParseSuccess(
+  void OnWebstoreRequestFailure() override;
+  void OnWebstoreResponseParseSuccess(
       scoped_ptr<base::DictionaryValue> webstore_data) override;
-  virtual void OnWebstoreResponseParseFailure(
-      const std::string& error) override;
+  void OnWebstoreResponseParseFailure(const std::string& error) override;
 
   // Helper function for testing for the existence of |key| in
   // |response|. Passes |key|'s content via |value| and returns
   // true when |key| is present.
   bool CheckResponseKeyValue(const base::DictionaryValue* response,
                              const char* key,
                              std::string* value);
 
   KioskAppDataDelegate* delegate_;  // not owned.
   Status status_;
 
   std::string app_id_;
   std::string user_id_;
   std::string name_;
   GURL update_url_;
   gfx::ImageSkia icon_;
   scoped_refptr<base::RefCountedString> raw_icon_;
 
   scoped_ptr<extensions::WebstoreDataFetcher> webstore_fetcher_;
   base::FilePath icon_path_;
 
   DISALLOW_COPY_AND_ASSIGN(KioskAppData);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_DATA_H_