add:    if (removeFromDatabase && this._formHistoryResult && index < this._formHistoryResult.matchCount) {  this._formHistoryResult.removeValueAt(index, true); } 
context:   removeValueAt: function(index, removeFromDatabase) {    this._results.splice(index, 1);    this._comments.splice(index, 1);  },
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/616290d5b2346d95a35f2c73e39cc8cd0bbd6a52/nsSearchSuggestions.js/clean/browser/components/search/nsSearchSuggestions.js