code: func (c *Network) SetExtraHTTPHeadersWithParams(v *NetworkSetExtraHTTPHeadersParams) (*gcdmessage.ChromeResponse, error) {
  	return gcdmessage.SendDefaultRequest(c.target, c.target.GetSendCh(), &gcdmessage.ParamRequest{Id: c.target.GetId(), Method: "Network.setExtraHTTPHeaders", Params: v})
  }
docs: // SetExtraHTTPHeadersWithParams - Specifies whether to always send extra HTTP headers with the requests from this page.