Better fix for Lion dictionary popover cmd-W bug.

chrome/browser/ui/cocoa/chrome_browser_window.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_CHROME_BROWSER_WINDOW_H_
 #define CHROME_BROWSER_UI_COCOA_CHROME_BROWSER_WINDOW_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 
 // Common base class for chrome browser windows.  Contains methods relating to
 // hole punching that are shared between framed and fullscreen windows.
 @interface ChromeBrowserWindow : ChromeEventProcessingWindow {
  @private
   int underlaySurfaceCount_;
 }
 
 // Informs the window that an underlay surface has been added/removed. The
 // window is non-opaque while underlay surfaces are present.
 - (void)underlaySurfaceAdded;
 - (void)underlaySurfaceRemoved;
 
-
-// Indicates whether -performClose: with the given |sender| should be routed
-// to -commandDispatch: on the delegate.
-- (BOOL)performCloseShouldRouteToCommandDispatch:(id)sender;
-
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_CHROME_BROWSER_WINDOW_H_