rem: throw Components.results.NS_ERROR_NOT_IMPLEMENTED; 
add: throw Cr.NS_ERROR_NOT_IMPLEMENTED; 
context:   getClassObject: function(componentManager, cid, iid) {    if (!iid.equals(Components.interfaces.nsIFactory))      throw Components.results.NS_ERROR_NOT_IMPLEMENTED;      for (var key in this._objects) {      if (cid.equals(this._objects[key].CID))      return this._objects[key].factory;    }        throw Components.results.NS_ERROR_NO_INTERFACE;  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/76ef59031fab239d9e4fa58a1af9ab319328255e/nsMicrosummaryService.js/clean/browser/components/microsummaries/src/nsMicrosummaryService.js