Widgets: Pass `$instance` to the `widget_nav_menu_args` filter in the Custom Menu widget.

Props walterbarcelos for the initial patch.
Fixes #33944.

Built from https://develop.svn.wordpress.org/trunk@34662


git-svn-id: http://core.svn.wordpress.org/trunk@34626 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34661';
+$wp_version = '4.4-alpha-34662';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

wp-includes/widgets/class-wp-nav-menu-widget.php

@@ -61,6 +61,7 @@
 		 * Filter the arguments for the Custom Menu widget.
 		 *
 		 * @since 4.2.0
+		 * @since 4.4.0 Added the `$instance` parameter.
 		 *
 		 * @param array    $nav_menu_args {
 		 *     An array of arguments passed to wp_nav_menu() to retrieve a custom menu.
@@ -70,8 +71,9 @@
 		 * }
 		 * @param stdClass $nav_menu      Nav menu object for the current menu.
 		 * @param array    $args          Display arguments for the current widget.
+		 * @param array    $instance      Array of settings for the current widget.
 		 */
-		wp_nav_menu( apply_filters( 'widget_nav_menu_args', $nav_menu_args, $nav_menu, $args ) );
+		wp_nav_menu( apply_filters( 'widget_nav_menu_args', $nav_menu_args, $nav_menu, $args, $instance ) );
 
 		echo $args['after_widget'];
 	}