rem: this.removeAllItems(); 
context:     onDestroy : function () {        this.removeAllItems();    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0a83f2dbc3c83d66fb8b11846dbe79f6cbeeeaf7/nsContextMenu.js/buggy/xpfe/browser/resources/content/nsContextMenu.js