code: func (c *Fetch) FailRequest(requestId string, errorReason string) (*gcdmessage.ChromeResponse, error) {
  	var v FetchFailRequestParams
  	v.RequestId = requestId
  	v.ErrorReason = errorReason
  	return c.FailRequestWithParams(&v)
  }
docs: // FailRequest - Causes the request to fail with specified reason.
  // requestId - An id the client received in requestPaused event.
  // errorReason - Causes the request to fail with the given reason. enum values: Failed, Aborted, TimedOut, AccessDenied, ConnectionClosed, ConnectionReset, ConnectionRefused, ConnectionAborted, ConnectionFailed, NameNotResolved, InternetDisconnected, AddressUnreachable, BlockedByClient, BlockedByResponse