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

chrome/browser/ui/cocoa/extensions/extension_uninstall_dialog_cocoa.mm

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <string>
 
@@ skipping 10 matching lines @@
 // The Cocoa implementation of ExtensionUninstallDialog. This has a less
 // complex life cycle than the Views and GTK implementations because the
 // dialog blocks the page from navigating away and destroying the dialog,
 // so there's no way for the dialog to outlive its delegate.
 class ExtensionUninstallDialogCocoa
     : public extensions::ExtensionUninstallDialog {
  public:
   ExtensionUninstallDialogCocoa(Profile* profile,
                                 gfx::NativeWindow parent,
                                 Delegate* delegate);
-  virtual ~ExtensionUninstallDialogCocoa() override;
+  ~ExtensionUninstallDialogCocoa() override;
 
  private:
-  virtual void Show() override;
+  void Show() override;
 };
 
 ExtensionUninstallDialogCocoa::ExtensionUninstallDialogCocoa(
     Profile* profile,
     gfx::NativeWindow parent,
     extensions::ExtensionUninstallDialog::Delegate* delegate)
     : extensions::ExtensionUninstallDialog(profile, parent, delegate) {
 }
 
 ExtensionUninstallDialogCocoa::~ExtensionUninstallDialogCocoa() {}
@@ skipping 23 matching lines @@
 
 }  // namespace
 
 // static
 extensions::ExtensionUninstallDialog*
 extensions::ExtensionUninstallDialog::Create(Profile* profile,
                                              gfx::NativeWindow parent,
                                              Delegate* delegate) {
   return new ExtensionUninstallDialogCocoa(profile, parent, delegate);
 }