Add the Play Store app search to the launcher.

chrome/browser/ui/app_list/arc/arc_playstore_app_context_menu.h

Index: chrome/browser/ui/app_list/arc/arc_playstore_app_context_menu.h
diff --git a/chrome/browser/ui/app_list/arc/arc_playstore_app_context_menu.h b/chrome/browser/ui/app_list/arc/arc_playstore_app_context_menu.h
new file mode 100644
index 0000000000000000000000000000000000000000..78ee7899a597460648d87d17650c72d2b429d3ac
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+++ b/chrome/browser/ui/app_list/arc/arc_playstore_app_context_menu.h
@@ -0,0 +1,35 @@
+// Copyright 2017 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_APP_LIST_ARC_ARC_PLAYSTORE_APP_CONTEXT_MENU_H_
+#define CHROME_BROWSER_UI_APP_LIST_ARC_ARC_PLAYSTORE_APP_CONTEXT_MENU_H_
+
+#include "chrome/browser/ui/app_list/app_context_menu.h"
+
+class AppListControllerDelegate;
+class Profile;
+
+namespace app_list {
+class AppContextMenuDelegate;
+}
+
+class ArcPlayStoreAppContextMenu : public app_list::AppContextMenu {
+ public:
+  ArcPlayStoreAppContextMenu(app_list::AppContextMenuDelegate* delegate,
+                             Profile* profile,
+                             AppListControllerDelegate* controller);
+  ~ArcPlayStoreAppContextMenu() override;
+
+  // AppListContextMenu overrides:
+  void BuildMenu(ui::SimpleMenuModel* menu_model) override;
+
+  // ui::SimpleMenuModel::Delegate overrides:
+  void ExecuteCommand(int command_id, int event_flags) override;
+  bool IsCommandIdEnabled(int command_id) const override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ArcPlayStoreAppContextMenu);
+};
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_ARC_ARC_PLAYSTORE_APP_CONTEXT_MENU_H_