Fixed Issue 141873. Crash when BrowserActionButton get disabled or hidden.

chrome/browser/ui/views/browser_action_view.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_VIEWS_BROWSER_ACTION_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_BROWSER_ACTION_VIEW_H_
 
 #include <string>
 
 #include "chrome/browser/extensions/image_loading_tracker.h"
@@ skipping 59 matching lines @@
   gfx::Canvas* GetIconWithBadge();
 
   // Overridden from views::View:
   virtual void Layout() OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
   virtual gfx::Size GetPreferredSize() OVERRIDE;
 
  protected:
   // Overridden from views::View to paint the badge on top of children.
   virtual void PaintChildren(gfx::Canvas* canvas) OVERRIDE;
-  virtual void ViewHierarchyChanged(bool is_add,
-                                    View* parent,
-                                    View* child) OVERRIDE;
 
  private:
   // The Browser object this view is associated with.
   Browser* browser_;
 
   // Usually a container for this view.
   Delegate* delegate_;
 
   // The button this view contains.
   BrowserActionButton* button_;
@@ skipping 127 matching lines @@
 
   // Responsible for running the menu.
   scoped_ptr<views::MenuRunner> menu_runner_;
 
   friend class base::DeleteHelper<BrowserActionButton>;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserActionButton);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BROWSER_ACTION_VIEW_H_