The Tor Browser / file revision

 <?xml version="1.0"?>

 <bindings id="xbltestBindings" xmlns="http://www.mozilla.org/xbl">

   <binding id="xbltest">

     <content>PASS</content>

     <implementation>

       <constructor>

         var win = XPCNativeWrapper.unwrap(window);

         var SpecialPowers = win.SpecialPowers;

         var is = win.is;

         var todo_is = win.todo_is;

         var ok = win.ok;

         var legacyMozPrefixedInterfaces = win.legacyMozPrefixedInterfaces;

         var createInterfaceMap = win.createInterfaceMap;

         eval(win.runTest.toString());

         runTest(true);

         win.SimpleTest.finish();

       </constructor>

     </implementation>

   </binding>

 </bindings>