RemoteWebDriver.cs

parameters.Add("capabilities", desiredCapabilities);

//ISpecificationCompliant specCompliantCapabilities = desiredCapabilities as ISpecificationCompliant;
//if (specCompliantCapabilities != null && specCompliantCapabilities.IsSpecificationCompliant)
//{
//    Dictionary<string, object> firstMatchCapabilities = this.GetCapabilitiesDictionary(desiredCapabilities);

//    List<object> firstMatchCapabilitiesList = new List<object>();
//    firstMatchCapabilitiesList.Add(firstMatchCapabilities);

//    Dictionary<string, object> specCompliantCapabilitiesDictionary = new Dictionary<string, object>();
//    specCompliantCapabilitiesDictionary["firstMatch"] = firstMatchCapabilitiesList;
//    parameters.Add("capabilities", specCompliantCapabilitiesDictionary);
//}