Mac Chromium style checker cleanup

chrome/browser/ui/cocoa/wrench_menu/wrench_menu_controller.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.
 
 #import "chrome/browser/ui/cocoa/wrench_menu/wrench_menu_controller.h"
 
 #include "base/basictypes.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/string16.h"
@@ skipping 30 matching lines @@
 - (int)maxWidthForMenuModel:(ui::MenuModel*)model
                  modelIndex:(int)modelIndex;
 @end
 
 namespace WrenchMenuControllerInternal {
 
 // A C++ delegate that handles the accelerators in the wrench menu.
 class AcceleratorDelegate : public ui::AcceleratorProvider {
  public:
   virtual bool GetAcceleratorForCommandId(int command_id,
-      ui::Accelerator* out_accelerator) {
+      ui::Accelerator* out_accelerator) OVERRIDE {
     AcceleratorsCocoa* keymap = AcceleratorsCocoa::GetInstance();
     const ui::Accelerator* accelerator =
         keymap->GetAcceleratorForCommand(command_id);
     if (!accelerator)
       return false;
     *out_accelerator = *accelerator;
     return true;
   }
 };
 
@@ skipping 294 matching lines @@
     controller_ = controller;
   }
   return self;
 }
 
 - (IBAction)dispatchWrenchMenuCommand:(id)sender {
   [controller_ dispatchWrenchMenuCommand:sender];
 }
 
 @end  // @implementation WrenchMenuButtonViewController