Mac Chromium style checker cleanup

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

 // Copyright (c) 2012 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.
 
 #import "chrome/browser/ui/cocoa/extensions/extension_action_context_menu.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/prefs/public/pref_change_registrar.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/extensions/extension_action.h"
@@ skipping 41 matching lines @@
 class AsyncUninstaller : public ExtensionUninstallDialog::Delegate {
  public:
   AsyncUninstaller(const Extension* extension, Browser* browser)
       : extension_(extension),
         profile_(browser->profile()) {
     extension_uninstall_dialog_.reset(
         ExtensionUninstallDialog::Create(profile_, browser, this));
     extension_uninstall_dialog_->ConfirmUninstall(extension_);
   }
 
-  ~AsyncUninstaller() {}
+  virtual ~AsyncUninstaller() {}
 
   // ExtensionUninstallDialog::Delegate:
-  virtual void ExtensionUninstallAccepted() {
+  virtual void ExtensionUninstallAccepted() OVERRIDE {
     extensions::ExtensionSystem::Get(profile_)->extension_service()->
         UninstallExtension(extension_->id(), false, NULL);
   }
-  virtual void ExtensionUninstallCanceled() {}
+  virtual void ExtensionUninstallCanceled() OVERRIDE {}
 
  private:
   // The extension that we're loading the icon for. Weak.
   const Extension* extension_;
 
   // The current profile. Weak.
   Profile* profile_;
 
   scoped_ptr<ExtensionUninstallDialog> extension_uninstall_dialog_;
 
@@ skipping 195 matching lines @@
 - (BOOL)validateMenuItem:(NSMenuItem*)menuItem {
   if ([menuItem tag] == kExtensionContextOptions) {
     // Disable 'Options' if there are no options to set.
     return extensions::ManifestURL::
         GetOptionsPage(extension_).spec().length() > 0;
   }
   return YES;
 }
 
 @end