1 files changed, 23 insertions, 0 deletions
diff --git a/components/script/dom/webidls/MessageEvent.webidl b/components/script/dom/webidls/MessageEvent.webidl
new file mode 100644
index 00000000000..7198708499e
--- /dev/null
+++ b/components/script/dom/webidls/MessageEvent.webidl
@@ -0,0 +1,23 @@
+/* -*- 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 http://mozilla.org/MPL/2.0/. */
+
+// http://www.whatwg.org/html/#messageevent
+[Constructor(DOMString type, optional MessageEventInit eventInitDict)/*, Exposed=Window,Worker*/]
+interface MessageEvent : Event {
+  readonly attribute any data;
+  readonly attribute DOMString origin;
+  readonly attribute DOMString lastEventId;
+  //readonly attribute (WindowProxy or MessagePort)? source;
+  //readonly attribute MessagePort[]? ports;
+};
+
+dictionary MessageEventInit : EventInit {
+  any data = null;
+  DOMString origin = "";
+  DOMString lastEventId = "";
+  //DOMString channel;
+  //(WindowProxy or MessagePort)? source;
+  //sequence<MessagePort> ports;
+};