| Index: chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.h | 
| diff --git a/chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.h b/chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.h | 
| index 6806d5f049767fdf0794d654aaae4a9a080a6ce9..a0c6911174f18990ecc85d3f12a180dd9bd21322 100644 | 
| --- a/chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.h | 
| +++ b/chrome/browser/ui/ash/launcher/arc_app_window_launcher_controller.h | 
| @@ -50,6 +50,9 @@ class ArcAppWindowLauncherController : public AppWindowLauncherController, | 
| // Returns Arc app id. Arc platform host app is mapped to Play Store app. | 
| static std::string GetArcAppIdFromShelfAppId(const std::string& shelf_app_id); | 
|  | 
| +  // Returns Arc task id for the window. | 
| +  static int GetWindowTaskId(aura::Window* window); | 
| + | 
| // AppWindowLauncherController: | 
| void ActiveUserChanged(const std::string& user_email) override; | 
| void AdditionalUserAddedToSession(Profile* profile) override; | 
|  |