rem: Components.utils.reportError(prop); 
context:   getFiles: function(prop, persistent) {    if (prop == NS_APP_CHROME_DIR_LIST) {      Components.utils.reportError(prop);      return new ArrayEnumerator([this._folder]);    }      Components.utils.reportError(prop);    throw Components.results.NS_ERROR_FAILURE;  },
meta: 2142	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2142/996bc8e722f9273b739bfbc6e7b753c2a63e2d81/profile.js/buggy/app/chrome/content/profile.js