diff -r 000000000000 -r 6474c204b198 dom/webidl/CloseEvent.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/webidl/CloseEvent.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+/* -*- 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 nsIDOMCloseEvent interface is the interface to the event
+ * close on a WebSocket object.
+ *
+ * For more information on this interface, please see
+ * http://www.whatwg.org/specs/web-apps/current-work/multipage/network.html#closeevent
+ */
+
+[Constructor(DOMString type, optional CloseEventInit eventInitDict), HeaderFile="GeneratedEventClasses.h"]
+interface CloseEvent : Event
+{
+  readonly attribute boolean wasClean;
+  readonly attribute unsigned short code;
+  readonly attribute DOMString? reason;
+
+  // initCloseEvent is a Gecko specific deprecated method.
+  [Throws]
+  void initCloseEvent(DOMString type,
+                      boolean canBubble,
+                      boolean cancelable,
+                      boolean wasClean,
+                      unsigned short code,
+                      DOMString? reason);
+};
+
+dictionary CloseEventInit : EventInit
+{
+  boolean wasClean = false;
+  unsigned short code = 0;
+  DOMString reason = "";
+};