code: func (c *Overlay) SetShowViewportSizeOnResizeWithParams(v *OverlaySetShowViewportSizeOnResizeParams) (*gcdmessage.ChromeResponse, error) {
  	return gcdmessage.SendDefaultRequest(c.target, c.target.GetSendCh(), &gcdmessage.ParamRequest{Id: c.target.GetId(), Method: "Overlay.setShowViewportSizeOnResize", Params: v})
  }
docs: // SetShowViewportSizeOnResizeWithParams - Paints viewport size upon main frame resize.