rem: if (methodName in this._prompter) 
add: if (methodName in this._prompter) 
context:       notify: function(timerCallback) {        if (methodName in this._prompter)           this._prompter[methodName](null, this._update);      }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/dd0789ea577a496e2622a164a469a9cb1bcf058d/updates.js/buggy/toolkit/mozapps/update/content/updates.js