Support cancelling toast

ui/arc/notification/arc_notification_manager.cc

Index: ui/arc/notification/arc_notification_manager.cc
diff --git a/ui/arc/notification/arc_notification_manager.cc b/ui/arc/notification/arc_notification_manager.cc
index 915289c0999e0a4993785631ef78573aca810fec..91bcd496da42e16e8bfc782642997d04ab5b5d24 100644
--- a/ui/arc/notification/arc_notification_manager.cc
+++ b/ui/arc/notification/arc_notification_manager.cc
@@ -179,11 +179,12 @@ void ArcNotificationManager::SendNotificationButtonClickedOnChrome(
 }
 
 void ArcNotificationManager::OnToastPosted(mojom::ArcToastDataPtr data) {
-  ash::Shell::GetInstance()->toast_manager()->Show(data->text, data->duration);
+  ash::Shell::GetInstance()->toast_manager()->Show(
+      ash::ToastData(data->id, data->text, data->duration));
 }
 
 void ArcNotificationManager::OnToastCancelled(mojom::ArcToastDataPtr data) {
-  // TODO(yoshiki): Implement cancel.
+  ash::Shell::GetInstance()->toast_manager()->Cancel(data->id);
 }
 
 }  // namespace arc