diff -r 000000000000 -r 6474c204b198 dom/webidl/DOMQuad.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/webidl/DOMQuad.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,23 @@
+/* -*- 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/fxtf/geometry/
+ *
+ * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
+ * liability, trademark and document use rules apply.
+ */
+
+[Pref="layout.css.DOMQuad.enabled",
+ Constructor(optional DOMPointInit p1, optional DOMPointInit p2,
+             optional DOMPointInit p3, optional DOMPointInit p4),
+ Constructor(DOMRectReadOnly rect)]
+interface DOMQuad {
+    [SameObject] readonly attribute DOMPoint p1;
+    [SameObject] readonly attribute DOMPoint p2;
+    [SameObject] readonly attribute DOMPoint p3;
+    [SameObject] readonly attribute DOMPoint p4;
+    [SameObject] readonly attribute DOMRectReadOnly bounds;
+};
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