Remove index-extra.php. Move dashboard widget XHR callbacks to ajax-actions.php. fixes #20242.

git-svn-id: https://develop.svn.wordpress.org/trunk@20190 602fd350-edb4-49c9-b593-d223f7449a82

wp-admin/includes/ajax-actions.php

@@ -186,6 +186,26 @@ function wp_ajax_autocomplete_user() {
 	wp_die( json_encode( $return ) );
 }
 
+function wp_ajax_dashboard_widgets() {
+	require ABSPATH . 'wp-admin/includes/dashboard.php';
+
+	switch ( $_GET['widget'] ) {
+		case 'dashboard_incoming_links' :
+			wp_dashboard_incoming_links();
+			break;
+		case 'dashboard_primary' :
+			wp_dashboard_primary();
+			break;
+		case 'dashboard_secondary' :
+			wp_dashboard_secondary();
+			break;
+		case 'dashboard_plugins' :
+			wp_dashboard_plugins();
+			break;
+	}
+	wp_die();
+}
+
 /*
  * Ajax helper.
  */

wp-admin/includes/update-core.php

@@ -327,6 +327,9 @@ $_old_files = array(
 'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/separator.gif',
 // 3.4
 'wp-admin/images/logo-login.png',
+'wp-admin/index-extra.php',
+'wp-admin/network/index-extra.php',
+'wp-admin/user/index-extra.php',
 );
 
 /**