/**
* Switch the user back to the original user.
*
* @param User $original_user_object
* Original user object.
* @param array $old_state
* SESSION values of original user.
*/
public static function unmasquerade(User $original_user_object, $old_state)
{
global $user;
$user = $original_user_object->getEntity();
drupal_save_session($old_state);
}
