rem: GroupBy(gHistoryGrouping); 
add: return; 
context: function onUnload(){  GroupBy(gHistoryGrouping);}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/7ab4aee4455984d7dc8b5a726d9a10c8662c76ca/history.js/clean/browser/components/history/content/history.js