rem: return mimeSvc.GetFromTypeAndExtension(types[0], null); 
add: return mimeSvc.getFromTypeAndExtension(types[0], null); 
context:   getMIMEInfo: function (aResource) {    var types = this._inner.GetTarget(aResource, this._valueArc, true);    if (types) {      types = types.QueryInterface(Components.interfaces.nsIRDFLiteral);      types = types.Value.split(", ");            // We're using helper app service as our MIME Service here because the helper app service      // talks to OS Specific hooks that on some platforms (MacOS X) are required to get a       // fully populated MIME Info object. Thus it is this object that we return.       mimeSvc = Components.classes["@mozilla.org/uriloader/external-helper-app-service;1"].getService(Components.interfaces.nsIMIMEService);      return mimeSvc.GetFromTypeAndExtension(types[0], null);    }        return null;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/380e347efc92951654827c7121fbc957a1bfeaed/helperApps.js/clean/toolkit/mozapps/downloads/content/helperApps.js