function wpmu_get_blog_allowedthemes( $blog_id = 0 ) {
  _deprecated_function( wpmu_get_blog_allowedthemes, '3.4.0', 'WP_Theme::get_allowed_on_site()' );
  return array_map( 'intval', WP_Theme::WP_Theme::get_allowed_on_site( $blog_id ) );
}