rem: GroupBy(gHistoryGrouping); 
add: return; 
context: function onUnload(){  GroupBy(gHistoryGrouping);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/92d312079c8aa731dc137f2c374f6a2f9f235378/history.js/clean/browser/components/history/content/history.js