diff -r 000000000000 -r 6474c204b198 dom/interfaces/events/nsIDOMPopupBlockedEvent.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/interfaces/events/nsIDOMPopupBlockedEvent.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+/* -*- 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/. */
+
+#include "nsIDOMEvent.idl"
+
+interface nsIURI;
+
+/**
+ * The nsIDOMPopupBlockedEvent interface is the datatype for events
+ * posted when a popup window is blocked.
+ */
+
+[scriptable, builtinclass, uuid(f6e77f79-d178-419d-8177-dfae4392d318)]
+interface nsIDOMPopupBlockedEvent : nsIDOMEvent
+{
+  /**
+   * The window object that attempted to open the blocked popup
+   * (i.e. the window object on which open() was called).
+   */
+  readonly attribute nsIDOMWindow requestingWindow;
+
+
+  /**
+   * The URI of the window that was blocked.
+   */
+  readonly attribute nsIURI popupWindowURI;
+
+  /**
+   * The window name passed to the window.open() call
+   * (as the second argument)
+   */
+  readonly attribute DOMString popupWindowName;
+
+  /**
+   * The string of features passed to the window.open() call
+   * (as the third argument)
+   */
+  readonly attribute DOMString popupWindowFeatures;
+
+  void initPopupBlockedEvent(in DOMString typeArg,
+                             in boolean canBubbleArg,
+                             in boolean cancelableArg,
+                             in nsIDOMWindow requestingWindow,
+                             in nsIURI popupWindowURI,
+                             in DOMString popupWindowName,
+                             in DOMString popupWindowFeatures);
+};