1 files changed, 20 insertions, 0 deletions
diff --git a/dom/webidl/AudioTrackList.webidl b/dom/webidl/AudioTrackList.webidl
new file mode 100644
index 0000000000..0a56d3ab3f
--- /dev/null
+++ b/dom/webidl/AudioTrackList.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://www.whatwg.org/specs/web-apps/current-work/#audiotracklist
+ */
+
+[Pref="media.track.enabled",
+ Exposed=Window]
+interface AudioTrackList : EventTarget {
+  readonly attribute unsigned long length;
+  getter AudioTrack (unsigned long index);
+  AudioTrack? getTrackById(DOMString id);
+
+           attribute EventHandler onchange;
+           attribute EventHandler onaddtrack;
+           attribute EventHandler onremovetrack;
+};