Revert the revert per Matt. see #8999

git-svn-id: https://develop.svn.wordpress.org/trunk@10501 602fd350-edb4-49c9-b593-d223f7449a82

wp-admin/admin-ajax.php

@@ -1157,6 +1157,19 @@ case 'find_posts':
 	));
 	$x->send();
 
+	break;
+case 'lj-importer' :
+	check_ajax_referer( 'lj-api-import' );
+	if ( !current_user_can( 'publish_posts' ) )
+		die('-1');
+	if ( empty( $_POST['step'] ) )
+		die( '-1' );
+
+	include( ABSPATH . 'wp-admin/import/livejournal.php' );
+	$result = $lj_api_import->{ 'step' . ( (int) $_POST['step'] ) }();
+	if ( is_wp_error( $result ) )
+		echo $result->get_error_message();
+	die;
 	break;
 default :
 	do_action( 'wp_ajax_' . $_POST['action'] );