rem: const mimeSvcCID = "{03af31da-3109-11d3-8cd0-0060b0fc14a3}"; 
add: const mimeSvcContractID = "@mozilla.org/mime;1"; 
context: function getMIMEInfoForType(aMIMEType){  const mimeSvcCID = "{03af31da-3109-11d3-8cd0-0060b0fc14a3}";  const mimeSvcIID = Components.interfaces.nsIMIMEService;  const mimeSvc = Components.classesByID[mimeSvcCID].getService(mimeSvcIID);  try {      return mimeSvc.GetFromMIMEType(aMIMEType);  }  catch (e) {  }  return null;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/e1227ae662e791c0a46a39e65df9a494db6b8133/contentAreaUtils.js/buggy/xpfe/communicator/resources/content/contentAreaUtils.js