diff -r 000000000000 -r 6474c204b198 dom/webidl/XULCommandEvent.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/webidl/XULCommandEvent.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+/* -*- 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/.
+ */
+
+interface WindowProxy;
+
+[Func="IsChromeOrXBL"]
+interface XULCommandEvent : UIEvent
+{
+  readonly attribute boolean ctrlKey;
+  readonly attribute boolean shiftKey;
+  readonly attribute boolean altKey;
+  readonly attribute boolean metaKey;
+
+  readonly attribute Event? sourceEvent;
+
+  [Throws]
+  void initCommandEvent(DOMString type,
+                        boolean canBubble,
+                        boolean cancelable,
+                        WindowProxy? view,
+                        long detail,
+                        boolean ctrlKey,
+                        boolean altKey,
+                        boolean shiftKey,
+                        boolean metaKey,
+                        Event? sourceEvent);
+};