// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module viz.mojom;

// Used to indicate the vertical scroll direction of the root layer. Note that
// |kNull| is only used to represent the absence of a vertical scroll direction.
// See components/viz/common/vertical_scroll_direction.h.
enum VerticalScrollDirection { kNull, kDown, kUp };