Simplify the translate infobar code some.

chrome/browser/translate/languages_menu_model.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_TRANSLATE_LANGUAGES_MENU_MODEL_H_
-#define CHROME_BROWSER_TRANSLATE_LANGUAGES_MENU_MODEL_H_
-
-#include "ui/base/models/simple_menu_model.h"
-
-class TranslateInfoBarDelegate;
-
-// A menu model that builds the contents of the language menus in the translate
-// infobar. This menu has only one level (no submenus).
-class LanguagesMenuModel : public ui::SimpleMenuModel,
-                           public ui::SimpleMenuModel::Delegate {
- public:
-  enum LanguageType {
-    ORIGINAL,
-    TARGET
-  };
-  LanguagesMenuModel(TranslateInfoBarDelegate* translate_delegate,
-                     LanguageType language_type);
-  virtual ~LanguagesMenuModel();
-
-  // ui::SimpleMenuModel::Delegate implementation:
-  virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
-  virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
-  virtual bool GetAcceleratorForCommandId(
-      int command_id,
-      ui::Accelerator* accelerator) OVERRIDE;
-  virtual void ExecuteCommand(int command_id) OVERRIDE;
-
- private:
-  TranslateInfoBarDelegate* translate_infobar_delegate_;
-  LanguageType language_type_;
-
-  DISALLOW_COPY_AND_ASSIGN(LanguagesMenuModel);
-};
-
-#endif  // CHROME_BROWSER_TRANSLATE_LANGUAGES_MENU_MODEL_H_