code: func (c *Page) DeleteCookie(cookieName string, url string) (*gcdmessage.ChromeResponse, error) {
  	var v PageDeleteCookieParams
  	v.CookieName = cookieName
  	v.Url = url
  	return c.DeleteCookieWithParams(&v)
  }
docs: // DeleteCookie - Deletes browser cookie with given name, domain and path.
  // cookieName - Name of the cookie to remove.
  // url - URL to match cooke domain and path.