third_party/blink/renderer/core/timing/performance_event_timing.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://github.com/wicg/event-timing
[
    OriginTrialEnabled=EventTiming
] interface PerformanceEventTiming : PerformanceEntry {
    readonly attribute DOMHighResTimeStamp processingStart;
    readonly attribute DOMHighResTimeStamp processingEnd;
    readonly attribute boolean cancelable;
    serializer = {inherit, attribute};
};