The Tor Browser / file revision

 <?xml version="1.0"?>

 <!-- 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/. -->

 <?xml-stylesheet href="chrome://browser/skin/platform.css" type="text/css"?>

 <?xml-stylesheet href="chrome://browser/skin/browser.css" type="text/css"?>

 <?xml-stylesheet href="chrome://browser/content/bindings.css" type="text/css"?>

 <!DOCTYPE window []>

 <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

   <circularprogressindicator id="progress-indicator" oncommand=""/>

 </window>