protected override void GetResponseHeaders(CefResponse response, out long responseLength, ref string redirectUrl) { responseLength = this.responseLength; if (responseLength != -1) { var headers = new CefStringMultiMap(); headers.Append("Content-Length", responseLength.ToString()); response.SetHeaderMap(headers); } response.SetStatus(this.status); response.SetStatusText(this.statusText); response.SetMimeType(this.mimeType); }