author Nika Layzell <>
Sat, 20 Oct 2018 20:02:53 -0400
changeset 442679 fbfcfc27ab30434eaac667cbbf9d33ded0abb571
parent 442402 77f4c84bebf05b7fddb3f5bdb8e7de0d2eb3ebd6
child 492913 9298e3ec3f1ff2caf60deb9471bc2e9f2ebe7948
permissions -rw-r--r--
Bug 1489301 - Part 4: Remove unnecessary [Exposed=System] annotations, r=bzbarsky We don't need to expose on both Window and System anymore, as Window now implies System. I don't remove unnecessary [Exposed=Window] annotations, as WebIDL upstream has removed PrimaryGlobal. Differential Revision:

/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at
 * For more information on this interface, please see

[Constructor, Exposed=(Window,Worker)]
interface MessageChannel {
  readonly attribute MessagePort port1;
  readonly attribute MessagePort port2;