code: func (c *BackgroundService) ClearEvents(service string) (*gcdmessage.ChromeResponse, error) {
  	var v BackgroundServiceClearEventsParams
  	v.Service = service
  	return c.ClearEventsWithParams(&v)
  }
docs: // ClearEvents - Clears all stored data for the service.
  // service -  enum values: backgroundFetch, backgroundSync