Attempt at fixing crash in menus shown from infobars. Here's what the

chrome/browser/ui/views/infobars/link_infobar.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_INFOBARS_LINK_INFOBAR_H_
 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_LINK_INFOBAR_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/views/infobars/infobar_view.h"
 #include "views/controls/link_listener.h"
 
 class LinkInfoBarDelegate;
 
 // An infobar that shows a string with an embedded link.
 class LinkInfoBar : public InfoBarView,
                     public views::LinkListener {
  public:
   LinkInfoBar(TabContentsWrapper* owner, LinkInfoBarDelegate* delegate);
 
  private:
   virtual ~LinkInfoBar();
 
   // InfoBarView:
-  virtual void Layout();
-  virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
+  virtual void Layout() OVERRIDE;
+  virtual void ViewHierarchyChanged(bool is_add,
+                                    View* parent,
+                                    View* child) OVERRIDE;
+  virtual void CancelMenu() OVERRIDE;
 
   // views::LinkListener:
   virtual void LinkClicked(views::Link* source, int event_flags) OVERRIDE;
 
   LinkInfoBarDelegate* GetDelegate();
 
   views::Label* label_1_;
   views::Link* link_;
   views::Label* label_2_;
 
   DISALLOW_COPY_AND_ASSIGN(LinkInfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_LINK_INFOBAR_H_