add menu slots/theme_menus, props ryan, see #13378

git-svn-id: http://svn.automattic.com/wordpress/trunk@14611 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/nav-menu.php

@@ -61,6 +61,31 @@ function is_nav_menu( $menu ) {
 	return false;
 }
 
+/**
+ * Register nav menus for a theme.
+ *
+ * @since 3.0.0
+ *
+ * @param array Associative array of menu slot identifiers and descriptions.
+ */
+function register_nav_menus( $menus = array() ) {
+	global $_wp_registered_nav_menus;
+
+	add_theme_support( 'nav-menus' );
+
+	$_wp_registered_nav_menus = $menus;
+}
+
+function get_registered_nav_menus() {
+	global $_wp_registered_nav_menus;
+
+	return $_wp_registered_nav_menus;
+}
+
+function get_nav_menu_slots() {
+	return get_theme_mod('nav_menu_slots');
+}
+
 /**
  * Determine whether the given ID is a nav menu item.
  *