chromium/third_party/blink/renderer/core/timing/performance_navigation_timing_activation_start.idl

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://wicg.github.io/nav-speculation/prerendering.html#performance-navigation-timing-extension
[
    ImplementedAs=PerformanceNavigationTimingActivationStart
] partial interface PerformanceNavigationTiming {
    readonly attribute DOMHighResTimeStamp activationStart;
};