rem: this.removeAllItems(); 
context:     onDestroy : function () {        this.removeAllItems();    },
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/0e4600ac2413d8ea3a75e428514ddf50b514710e/nsContextMenu.js/buggy/xpfe/browser/resources/content/nsContextMenu.js