WP_Media_List_Table::extra_tablenav

	protected function get_bulk_actions() {
		$actions = array();
		if ( MEDIA_TRASH ) {
			if ( $this->is_trash ) {
				$actions['untrash'] = __( 'Restore' );
				$actions['delete']  = __( 'Delete permanently' );
			} else {
				$actions['trash'] = __( 'Move to Trash' );
			}
		} else {
			$actions['delete'] = __( 'Delete permanently' );
		}

		if ( $this->detached ) {
			$actions['attach'] = __( 'Attach' );
		}

		return $actions;
	}

	/**
	 * @param string $which
	 */
	protected function extra_tablenav( $which ) {
		if ( 'bar' !== $which ) {