Method createError

src/utils/log.js:294–296

* Creates an error object. * @param {...*} var_args * @return {!Error}

(var_args)

   * @return {!Error}
   */
  createError(var_args) {
    return this.setErrorSuffix_(createError.apply(null, arguments));
  }

  /**
   * Creates an error object with its expected property set to true.