diff -r 000000000000 -r 6474c204b198 dom/webidl/PopupBlockedEvent.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/webidl/PopupBlockedEvent.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,32 @@
+/* -*- 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 URI;
+
+[Constructor(DOMString type, optional PopupBlockedEventInit eventInitDict), HeaderFile="GeneratedEventClasses.h"]
+interface PopupBlockedEvent : Event
+{
+  readonly attribute Window? requestingWindow;
+  readonly attribute URI? popupWindowURI;
+  readonly attribute DOMString? popupWindowName;
+  readonly attribute DOMString? popupWindowFeatures;
+
+  [Throws]
+  void initPopupBlockedEvent(DOMString type,
+                             boolean canBubble,
+                             boolean cancelable,
+                             Window? requestingWindow,
+                             URI? popupWindowURI,
+                             DOMString? popupWindowName,
+                             DOMString? popupWindowFeatures);
+};
+
+dictionary PopupBlockedEventInit : EventInit
+{
+  Window? requestingWindow = null;
+  URI? popupWindowURI = null;
+  DOMString popupWindowName = "";
+  DOMString popupWindowFeatures = "";
+};