/**
  * Create a new driver instance.
  *
  * @param  string  $driver
  * @return mixed
  */
 protected function createDriver($driver)
 {
     $guard = parent::createDriver($driver);
     // When using the remember me functionality of the authentication services we
     // will need to be set the encryption instance of the guard, which allows
     // secure, encrypted cookie values to get generated for those cookies.
     $guard->setCookieJar($this->app['cookie']);
     $guard->setDispatcher($this->app['events']);
     return $guard->setRequest($this->app->refresh('request', $guard, 'setRequest'));
 }