rem: var ioservice = Cc["@mozilla.org/network/io-service;1"]. getService(Ci.nsIIOService); 
add: if (URIString === null || URIString == "") return null; let ioservice = Cc["@mozilla.org/network/io-service;1"]. getService(Ci.nsIIOService); 
context: function makeURI(URIString) {  var ioservice = Cc["@mozilla.org/network/io-service;1"].                  getService(Ci.nsIIOService);  return ioservice.newURI(URIString, null, null);}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/8cef2fc542dcf597774d71bd9cb16f2416994dfd/BookmarksSyncService.js/buggy/services/sync/BookmarksSyncService.js