// Copyright 2015 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.

[DartPackage="sky_services"]
module vsync;

interface VSyncProvider {
  // Timebase is in MojoGetTimeTicksNow.
  // Only one callback can be parked at a given time.
  AwaitVSync() => (int64 time_stamp);
};