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

chrome/browser/chromeos/app_mode/kiosk_app_manager.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_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 199 matching lines @@
   friend class KioskUpdateTest;
 
   enum AutoLoginState {
     AUTOLOGIN_NONE      = 0,
     AUTOLOGIN_REQUESTED = 1,
     AUTOLOGIN_APPROVED  = 2,
     AUTOLOGIN_REJECTED  = 3,
   };
 
   KioskAppManager();
-  virtual ~KioskAppManager();
+  ~KioskAppManager() override;
 
   // Stop all data loading and remove its dependency on CrosSettings.
   void CleanUp();
 
   // Gets KioskAppData for the given app id.
   const KioskAppData* GetAppData(const std::string& app_id) const;
   KioskAppData* GetAppDataMutable(const std::string& app_id);
 
   // Updates app data |apps_| based on CrosSettings.
   void UpdateAppData();
 
   // KioskAppDataDelegate overrides:
-  virtual void GetKioskAppIconCacheDir(base::FilePath* cache_dir) override;
-  virtual void OnKioskAppDataChanged(const std::string& app_id) override;
-  virtual void OnKioskAppDataLoadFailure(const std::string& app_id) override;
+  void GetKioskAppIconCacheDir(base::FilePath* cache_dir) override;
+  void OnKioskAppDataChanged(const std::string& app_id) override;
+  void OnKioskAppDataLoadFailure(const std::string& app_id) override;
 
   // ExternalCache::Delegate:
-  virtual void OnExtensionListsUpdated(
-      const base::DictionaryValue* prefs) override;
-  virtual void OnExtensionLoadedInCache(const std::string& id) override;
-  virtual void OnExtensionDownloadFailed(
+  void OnExtensionListsUpdated(const base::DictionaryValue* prefs) override;
+  void OnExtensionLoadedInCache(const std::string& id) override;
+  void OnExtensionDownloadFailed(
       const std::string& id,
       extensions::ExtensionDownloaderDelegate::Error error) override;
 
   // Callback for EnterpriseInstallAttributes::LockDevice() during
   // EnableConsumerModeKiosk() call.
   void OnLockDevice(
       const EnableKioskAutoLaunchCallback& callback,
       policy::EnterpriseInstallAttributes::LockResult result);
 
   // Callback for EnterpriseInstallAttributes::ReadImmutableAttributes() during
@@ skipping 33 matching lines @@
   // The extension external loader for installing kiosk app.
   bool external_loader_created_;
   base::WeakPtr<KioskAppExternalLoader> external_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(KioskAppManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_MANAGER_H_