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

chrome/browser/ui/views/infobars/after_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_AFTER_TRANSLATE_INFOBAR_H_
 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_AFTER_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 AfterTranslateInfoBar : public TranslateInfoBarBase,
                               public views::ViewMenuDelegate {
  public:
   AfterTranslateInfoBar(TabContentsWrapper* owner,
                         TranslateInfoBarDelegate* delegate);
 
  private:
   virtual ~AfterTranslateInfoBar();
 
   // TranslateInfoBarBase:
-  virtual void Layout();
-  virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
-  virtual void ButtonPressed(views::Button* sender, const views::Event& event);
-  virtual int ContentMinimumWidth() const;
-  virtual void OriginalLanguageChanged();
-  virtual void TargetLanguageChanged();
+  virtual void Layout() OVERRIDE;
+  virtual void ViewHierarchyChanged(bool is_add,
+                                    View* parent,
+                                    View* child) OVERRIDE;
+  virtual void ButtonPressed(views::Button* sender,
+                             const views::Event& event) OVERRIDE;
+  virtual int ContentMinimumWidth() const OVERRIDE;
+  virtual void OriginalLanguageChanged() OVERRIDE;
+  virtual void TargetLanguageChanged() OVERRIDE;
+  virtual void CancelMenu() OVERRIDE;
 
   // 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:
   // "Translated from <lang1> to <lang2> [more text in some languages]"
   // ...where <lang1> and <lang2> are comboboxes.  So the text is split in 3
   // chunks, each displayed in one of the labels below.
   views::Label* label_1_;
   views::Label* label_2_;
   views::Label* label_3_;
 
   views::MenuButton* original_language_menu_button_;
   views::MenuButton* target_language_menu_button_;
   views::TextButton* revert_button_;
   views::MenuButton* options_menu_button_;
 
   LanguagesMenuModel original_language_menu_model_;
   LanguagesMenuModel target_language_menu_model_;
   OptionsMenuModel options_menu_model_;
 
   scoped_ptr<views::MenuRunner> menu_runner_;
 
   // True if the target language comes before the original one.
   bool swapped_language_buttons_;
 
   DISALLOW_COPY_AND_ASSIGN(AfterTranslateInfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_AFTER_TRANSLATE_INFOBAR_H_