Reverting my previous changes, as they have no effect on tinderbox leak stats.

xpfe/browser/resources/content/navigator.js

@@ -325,10 +325,8 @@ function Startup()
     
 		// give urlbar focus so it'll be an active editor and d&d will work properly
 		var url_bar = document.getElementById("urlbar");
-        /*
 		if ( url_bar )
       url_bar.focus();
-        */
     
     tryToSetContentWindow();