third_party/blink/renderer/core/html/portal/window_portal_host.idl

// Copyright 2019 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://wicg.github.io/portals/#miscellaneous-extensions

[
  ImplementedAs=DOMWindowPortalHost
] partial interface Window {
  [RuntimeEnabled=Portals, Measure] readonly attribute PortalHost? portalHost;
};