add: else { webBrowserPersist.cancelSave(); } 
context: function onCancel (){   // Cancel app launcher.   if (helperAppLoader && !completed)   {     try     {       helperAppLoader.Cancel();     }     catch( exception ) {}   }  // Close up dialog by returning true.  return true;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/2451f6c4f4410f18a3b882e9cc0b167932807e37/nsProgressDlg.js/buggy/embedding/components/ui/progressDlg/nsProgressDlg.js