rem: return torbutton_check_progress(aProgress); 
add: return torbutton_check_progress(aProgress, aRequest); 
context:   onProgressChange: function(aProgress, request, curSelfProgress, maxSelfProgress, curTotalProgress, maxTotalProgress)   {       torbutton_eclog(1, 'called progressChange');       return torbutton_check_progress(aProgress);  },
meta: 3444	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3444/7597dbedd0951378206f211d1d0d0834fc125b0b/torbutton.js/buggy/src/chrome/content/torbutton.js