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/. -->

 <bindings id="resizerBindings"

    xmlns="http://www.mozilla.org/xbl">

   <binding id="resizer">

     <resources>

       <stylesheet src="chrome://global/skin/resizer.css"/>

     </resources>

     <implementation>

       <constructor>

       <![CDATA[

         // don't do this for viewport resizers; causes a crash related to

         // bugs 563665 and 581536 otherwise

         if (this.parentNode == this.ownerDocument.documentElement)

           return;

         // if the direction is rtl, set the rtl attribute so that the

         // stylesheet can use this to make the cursor appear properly

         var direction = window.getComputedStyle(this, "").direction;

         if (direction == "rtl") {

           this.setAttribute("rtl", "true");

         }

       ]]>

       </constructor>

     </implementation>

   </binding>

 </bindings>