Adding the hidden window file.

browser/base/content/hiddenWindow.xul

@@ -0,0 +1,35 @@
+<?xml version="1.0"?>
+# -*- Mode: HTML -*-
+#
+# The contents of this file are subject to the Netscape 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/NPL/
+#
+# 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 Mozilla Communicator client code, released
+# March 31, 1998.
+#
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation. Portions created by Netscape are
+# Copyright (C) 1998-2000 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s):
+#   David Hyatt <hyatt@mozilla.org> (Original Author)
+#
+#ifdef XP_MACOSX
+
+<?xul-overlay href="chrome://browser/content/macBrowserOverlay.xul"?>
+
+<window id="main-window"
+        xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+</window>
+
+#endif