class Selenium::WebDriver::Firefox::Marionette::Driver

def initialize(opts = {})
  opts[:desired_capabilities] = create_capabilities(opts)
  unless opts.key?(:url)
    driver_path = opts.delete(:driver_path) || Firefox.driver_path
    port = opts.delete(:port) || Service::DEFAULT_PORT
    opts[:driver_opts] ||= {}
    if opts.key? :service_args
      WebDriver.logger.deprecate ':service_args', "driver_opts: {args: #{opts[:service_args]}}"
      opts[:driver_opts][:args] = opts.delete(:service_args)
    end
    @service = Service.new(driver_path, port, opts.delete(:driver_opts))
    @service.start
    opts[:url] = @service.uri
  end
  listener = opts.delete(:listener)
  WebDriver.logger.info 'Skipping handshake as we know it is W3C.'
  desired_capabilities = opts.delete(:desired_capabilities)
  bridge = Remote::Bridge.new(opts)
  capabilities = bridge.create_session(desired_capabilities)
  @bridge = Remote::W3C::Bridge.new(capabilities, bridge.session_id, opts)
  super(@bridge, listener: listener)
end