Adding nsIDOMNSHistory.idl, not part of the build.

dom/public/idl/base/nsIDOMNSHistory.idl

@@ -0,0 +1,30 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is the Mozilla browser.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications, Inc.  Portions created by Netscape are
+ * Copyright (C) 1999, Mozilla.  All Rights Reserved.
+ * 
+ * Contributor(s):
+ */
+
+#include "nsIDOMHistory.idl"
+
+[scriptable, uuid(5fb96f46-1dd2-11b2-a5dc-998ca8636ea9)]
+interface nsIDOMNSHistory : nsIDOMHistory
+{
+  // go() can be called with either a string or a number argument from
+  // JS
+  void                       go(/* ... */);
+};