third_party/blink/renderer/core/timing/performance_layout_jank.idl

// Copyright 2018 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.

// https://docs.google.com/document/d/1723wu4GZa8x8zSK0vb4NYg9xGtyVISEtGSGHcyL1tko/edit
[RuntimeEnabled=LayoutJankAPI]
interface PerformanceLayoutJank : PerformanceEntry {
    readonly attribute double fraction;
    serializer = {inherit, attribute};
};