Add the Play Store app search to the launcher.

chrome/browser/ui/app_list/playstore_app_context_menu.h

Index: chrome/browser/ui/app_list/playstore_app_context_menu.h
diff --git a/chrome/browser/ui/app_list/playstore_app_context_menu.h b/chrome/browser/ui/app_list/playstore_app_context_menu.h
new file mode 100644
index 0000000000000000000000000000000000000000..f3930c85a4465995d5568151160f061f1abd3144
--- /dev/null
+++ b/chrome/browser/ui/app_list/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_PLAYSTORE_APP_CONTEXT_MENU_H_
+#define CHROME_BROWSER_UI_APP_LIST_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 PlayStoreAppContextMenu : public app_list::AppContextMenu {
+ public:
+  PlayStoreAppContextMenu(app_list::AppContextMenuDelegate* delegate,
+                          Profile* profile,
+                          AppListControllerDelegate* controller);
+  ~PlayStoreAppContextMenu() 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(PlayStoreAppContextMenu);
+};
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_PLAYSTORE_APP_CONTEXT_MENU_H_