(Mac) Make mashing the close tab button work.

chrome/browser/cocoa/tab_controller.h

 // Copyright (c) 2009 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_COCOA_TAB_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_TAB_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 // The loading/waiting state of the tab.
@@ skipping 58 matching lines @@
 // Dispatches the command in the tag to the registered target object.
 - (IBAction)commandDispatch:(id)sender;
 
 // Replace the current icon view with the given view. |iconView| will be
 // resized to the size of the current icon view.
 - (void)setIconView:(NSView*)iconView;
 - (NSView*)iconView;
 
 // (Re)apply the current theme.
 - (void)applyTheme;
+
+// Called by the tabs to determine whether we are in rapid (tab) closure mode.
+// In this mode, we handle clicks slightly differently due to animation.
+// Ideally, tabs would know about their own animation and wouldn't need this.
+- (BOOL)inRapidClosureMode;
+
 @end
 
 @interface TabController(TestingAPI)
 - (NSString *)toolTip;
 - (int)iconCapacity;
 - (BOOL)shouldShowIcon;
 - (BOOL)shouldShowCloseBox;
 @end  // TabController(TestingAPI)
 
 #endif  // CHROME_BROWSER_COCOA_TAB_CONTROLLER_H_