arc: Support running Arc app in shelf

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

Index: chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.h
diff --git a/chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.h b/chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..e6c13de1ff6a7d3ff548a8ebd3440987c4199670
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+++ b/chrome/browser/ui/ash/launcher/arc_app_window_launcher_item_controller.h
@@ -0,0 +1,32 @@
+// 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_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
+#define CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.h"
+
+class ChromeLauncherController;
+
+class ArcAppWindowLauncherItemController
+    : public AppWindowLauncherItemController {
+ public:
+  ArcAppWindowLauncherItemController(const std::string& app_id,
+                                     ChromeLauncherController* controller);
+
+  ~ArcAppWindowLauncherItemController() override;
+
+  // LauncherItemController overrides:
+  base::string16 GetTitle() override;
+  ash::ShelfMenuModel* CreateApplicationMenu(int event_flags) override;
+  ChromeLauncherAppMenuItems GetApplicationList(int event_flags) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ArcAppWindowLauncherItemController);
+};
+
+#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_ARC_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_