diff -r 000000000000 -r 6474c204b198 dom/interfaces/base/nsIDOMNavigator.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/interfaces/base/nsIDOMNavigator.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* -*- 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 "domstubs.idl"
+
+interface nsIIdleObserver;
+
+[uuid(f1101fbb-d119-4cb8-845b-6bbae8a151c7)]
+interface nsIDOMNavigator : nsISupports
+{
+  readonly attribute DOMString             appCodeName;
+  readonly attribute DOMString             appName;
+  readonly attribute DOMString             appVersion;
+  readonly attribute DOMString             language;
+  readonly attribute DOMString             platform;
+  readonly attribute DOMString             oscpu;
+  readonly attribute DOMString             vendor;
+  readonly attribute DOMString             vendorSub;
+  readonly attribute DOMString             product;
+  readonly attribute DOMString             productSub;
+  readonly attribute DOMString             userAgent;
+  readonly attribute DOMString             buildID;
+  readonly attribute DOMString             doNotTrack;
+};