1 files changed, 20 insertions, 0 deletions
diff --git a/dom/webidl/MediaStreamEvent.webidl b/dom/webidl/MediaStreamEvent.webidl
new file mode 100644
index 0000000000..752e43c13b
--- /dev/null
+++ b/dom/webidl/MediaStreamEvent.webidl
@@ -0,0 +1,20 @@
+/* -*- 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/.
+ *
+ * The origin of this IDL file is
+ * http://dev.w3.org/2011/webrtc/editor/webrtc.html#mediastreamevent
+ */
+
+dictionary MediaStreamEventInit : EventInit {
+    MediaStream? stream = null;
+};
+
+[Pref="media.peerconnection.enabled",
+ Exposed=Window]
+interface MediaStreamEvent : Event {
+  constructor(DOMString type, optional MediaStreamEventInit eventInitDict = {});
+
+  readonly attribute MediaStream? stream;
+};