Add m-esr52 at 52.6.0

1 files changed, 19 insertions, 0 deletions

diff --git a/dom/webidl/TrackEvent.webidl b/dom/webidl/TrackEvent.webidl
new file mode 100644
index 0000000000..2daa2f4575
--- /dev/null
+++ b/dom/webidl/TrackEvent.webidl
@@ -0,0 +1,19 @@
+/* -*- 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/#trackevent
+ */
+
+[Constructor(DOMString type, optional TrackEventInit eventInitDict)]
+interface TrackEvent : Event
+{
+  readonly attribute (VideoTrack or AudioTrack or TextTrack)? track;
+};
+
+dictionary TrackEventInit : EventInit
+{
+  (VideoTrack or AudioTrack or TextTrack)? track = null;
+};