rem: if( appCore ) { status = appCore.walletRequestToCapture(window._content); } 
add: var walletService = Components.classes["@mozilla.org/wallet/wallet-service;1"].getService(Components.interfaces.nsIWalletService);  walletService.WALLET_RequestToCapture(window._content); 
context:     capture : function () {      if( appCore ) {        status = appCore.walletRequestToCapture(window._content);      }    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/574fa5d34db31c9cc2de74883ae3db4d5d4297f5/nsContextMenu.js/buggy/xpfe/browser/resources/content/nsContextMenu.js