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

chrome/browser/ui/app_list/extension_uninstaller.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_UI_APP_LIST_EXTENSION_UNINSTALLER_H_
 #define CHROME_BROWSER_UI_APP_LIST_EXTENSION_UNINSTALLER_H_
 
 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
 
 class AppListControllerDelegate;
 class Profile;
 
 // ExtensionUninstaller runs the extension uninstall flow. It shows the
 // extension uninstall dialog and wait for user to confirm or cancel the
 // uninstall.
 class ExtensionUninstaller
     : public extensions::ExtensionUninstallDialog::Delegate {
  public:
   ExtensionUninstaller(Profile* profile,
                        const std::string& extension_id,
                        AppListControllerDelegate* controller);
-  virtual ~ExtensionUninstaller();
+  ~ExtensionUninstaller() override;
 
   void Run();
 
  private:
   // Overridden from ExtensionUninstallDialog::Delegate:
-  virtual void ExtensionUninstallAccepted() override;
-  virtual void ExtensionUninstallCanceled() override;
+  void ExtensionUninstallAccepted() override;
+  void ExtensionUninstallCanceled() override;
   void CleanUp();
 
   Profile* profile_;
   std::string app_id_;
   AppListControllerDelegate* controller_;
   scoped_ptr<extensions::ExtensionUninstallDialog> dialog_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionUninstaller);
 };
 
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_EXTENSION_UNINSTALLER_H_