mash: Cleanup ash shelf application menu code.

chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item.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_ASH_LAUNCHER_CHROME_LAUNCHER_APP_MENU_ITEM_H_
-#define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_APP_MENU_ITEM_H_
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "ui/gfx/image/image.h"
-
-// A description for a menu item. It contains the menu item description as well
-// as the function which gets executed upon menu item click.
-class ChromeLauncherAppMenuItem {
- public:
-  // To insert a separator before this item set |has_leading_separator|.
-  ChromeLauncherAppMenuItem(const base::string16 title,
-                            const gfx::Image* icon,
-                            bool has_leading_separator);
-
-  virtual ~ChromeLauncherAppMenuItem();
-
-  // Retrieves the title for this menu option.
-  const base::string16& title() const { return title_; }
-
-  // Retrieves the icon for this menu option.
-  const gfx::Image& icon() const { return icon_; }
-
-  // Returns true if a separator should be inserted before this item.
-  bool HasLeadingSeparator() const { return has_leading_separator_; }
-
-  // Returns true if item is enabled.
-  virtual bool IsEnabled() const;
-
-  // Executes the option.
-  // |event_flags| are the flags from the event which issued this command.
-  // It can be used to check additional keyboard modifiers.
-  virtual void Execute(int event_flags);
-
- private:
-  const base::string16 title_;
-  const gfx::Image icon_;
-
-  // True if the item has a separator in front of it.
-  const bool has_leading_separator_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeLauncherAppMenuItem);
-};
-#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_APP_MENU_ITEM_H_