Arc app integration in shelf launcher context menu

chrome/browser/ui/ash/launcher/arc_launcher_context_menu.h

+// Copyright 2016 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_ARC_LAUNCHER_CONTEXT_MENU_H_
+#define CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_LAUNCHER_CONTEXT_MENU_H_
+
+#include "base/macros.h"
+#include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
+

[khmel, 2016/03/30 00:58:46]

namespace ash {
class Shelf;
class ShelfItem;
}

[lgcheng, 2016/03/30 02:06:25]

Use 
Using class ShelfItem works for chrome build but breaks the build of unit_tests.

+class ChromeLauncherController;
+
+// Class for context menu which is shown for Arc app in the shelf.
+class ArcLauncherContextMenu : public LauncherContextMenu {
+ public:
+  ArcLauncherContextMenu(ChromeLauncherController* controller,
+                         const ash::ShelfItem* item,
+                         ash::Shelf* shelf);
+  ~ArcLauncherContextMenu() override;
+  // LauncherContextMenu overrides:
+  void Init() override;
+  // ui::SimpleMenuModel::Delegate overrides:
+  bool IsCommandIdEnabled(int command_id) const override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ArcLauncherContextMenu);
+};
+#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_LAUNCHER_CONTEXT_MENU_H_