// 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.import'package:flutter/scheduler.dart';
classFuture{}// so that people can't import us and dart:asyncvoidtick(Durationduration){// We don't bother running microtasks between these two calls// because we don't use Futures in these tests and so don't care.SchedulerBinding.instance.handleBeginFrame(duration);SchedulerBinding.instance.handleDrawFrame();}