add: this.userTyped       = null; 
context:   destroy : function()  {    // XXXjag to avoid leaks :-/, see bug 60729    this.urlBar          = null;    this.throbberElement = null;    this.statusMeter     = null;    this.stopButton      = null;    this.stopMenu        = null;    this.stopContext     = null;    this.statusTextField = null;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/665f9f9052961ae62879b4cc7d61bee6f4c4b9c9/nsBrowserStatusHandler.js/buggy/xpfe/browser/resources/content/nsBrowserStatusHandler.js