chromium/src/third_party/blink/renderer/core/timing/performance_mark_options.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://w3c.github.io/user-timing/#performancemarkoptions-dictionary
dictionary PerformanceMarkOptions {
    any detail;
    DOMHighResTimeStamp startTime;
};