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

chrome/browser/ui/views/infobars/before_translate_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_BEFORE_TRANSLATE_INFOBAR_H_
 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_BEFORE_TRANSLATE_INFOBAR_H_
 #pragma once
 
 #include "chrome/browser/translate/languages_menu_model.h"
 #include "chrome/browser/translate/options_menu_model.h"
 #include "chrome/browser/ui/views/infobars/translate_infobar_base.h"
 #include "views/controls/menu/view_menu_delegate.h"
 
 class TranslateInfoBarDelegate;
 namespace views {
 class MenuButton;
 class MenuRunner;
 }
 
 class BeforeTranslateInfoBar : public TranslateInfoBarBase,
                                public views::ViewMenuDelegate {
  public:
   BeforeTranslateInfoBar(TabContentsWrapper* owner,
                          TranslateInfoBarDelegate* delegate);
 
  private:
   virtual ~BeforeTranslateInfoBar();
 
   // TranslateInfoBarBase:
-  virtual void Layout();
-  virtual void ButtonPressed(views::Button* sender, const views::Event& event);
-  virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
-  virtual int ContentMinimumWidth() const;
-  virtual void OriginalLanguageChanged();
+  virtual void Layout() OVERRIDE;
+  virtual void ButtonPressed(views::Button* sender,
+                             const views::Event& event) OVERRIDE;
+  virtual void ViewHierarchyChanged(bool is_add,
+                                    View* parent,
+                                    View* child) OVERRIDE;
+  virtual int ContentMinimumWidth() const OVERRIDE;
+  virtual void OriginalLanguageChanged() OVERRIDE;
+  virtual void CancelMenu() OVERRIDE;
 
   // views::ViewMenuDelegate:
-  virtual void RunMenu(View* source, const gfx::Point& pt);
+  virtual void RunMenu(View* source, const gfx::Point& pt) OVERRIDE;
 
   // The text displayed in the infobar is something like:
   // "The page is in <lang>. Would you like to translate it?"
   // ...where <lang> is a combobox.  So the text is split in 2 chunks, each
   // displayed in one of the labels below.
   views::Label* label_1_;
   views::Label* label_2_;
 
   views::MenuButton* language_menu_button_;
   views::TextButton* accept_button_;
   views::TextButton* deny_button_;
   views::TextButton* never_translate_button_;
   views::TextButton* always_translate_button_;
   views::MenuButton* options_menu_button_;
 
   LanguagesMenuModel languages_menu_model_;
   OptionsMenuModel options_menu_model_;
 
   scoped_ptr<views::MenuRunner> menu_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(BeforeTranslateInfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_BEFORE_TRANSLATE_INFOBAR_H_