Unbreak tabs.onRemove extension API in face of fast tab closure

chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.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_TABS_TAB_STRIP_MODEL_OBSERVER_BRIDGE_H_
 #define CHROME_BROWSER_UI_COCOA_TABS_TAB_STRIP_MODEL_OBSERVER_BRIDGE_H_
 
 #import <Foundation/Foundation.h>
 
 #include "base/compiler_specific.h"
@@ skipping 16 matching lines @@
   virtual ~TabStripModelObserverBridge();
 
   // Overridden from TabStripModelObserver
   virtual void TabInsertedAt(content::WebContents* contents,
                              int index,
                              bool foreground) OVERRIDE;
   virtual void TabClosingAt(TabStripModel* tab_strip_model,
                             content::WebContents* contents,
                             int index) OVERRIDE;
   virtual void TabDetachedAt(content::WebContents* contents,
-                             int index) OVERRIDE;
+                             int index,
+                             bool closing_all) OVERRIDE;
   virtual void TabDeactivated(content::WebContents* contents) OVERRIDE;
   virtual void ActiveTabChanged(content::WebContents* old_contents,
                                 content::WebContents* new_contents,
                                 int index,
                                 int reason) OVERRIDE;
   virtual void TabMoved(content::WebContents* contents,
                         int from_index,
                         int to_index) OVERRIDE;
   virtual void TabChangedAt(content::WebContents* contents,
                             int index,
@@ skipping 37 matching lines @@
 - (void)tabReplacedWithContents:(content::WebContents*)newContents
                previousContents:(content::WebContents*)oldContents
                         atIndex:(NSInteger)index;
 - (void)tabMiniStateChangedWithContents:(content::WebContents*)contents
                                 atIndex:(NSInteger)index;
 - (void)tabStripEmpty;
 - (void)tabStripModelDeleted;
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_TABS_TAB_STRIP_MODEL_OBSERVER_BRIDGE_H_