Index: src/wp-includes/nav-menu.php
===================================================================
--- src/wp-includes/nav-menu.php	(revision 40772)
+++ src/wp-includes/nav-menu.php	(working copy)
@@ -185,6 +185,34 @@
 }
 
 /**
+ * Returns the title of a navigation menu
+ *
+ * @since 4.8.1
+ *
+ * @param string $theme_location Location of a navigation menu in a theme.
+ * @return string
+ */
+function wp_nav_menu_title( $theme_location ) {
+	$title = '';
+	if ( $theme_location && ( $locations = get_nav_menu_locations() ) && isset( $locations[ $theme_location ] ) ) {
+		$menu = wp_get_nav_menu_object( $locations[ $theme_location ] );
+
+		if ( $menu && $menu->name ) {
+			$title = $menu->name;
+		}
+	}
+	/**
+	 * Filter navigation menu title with the location of a navigation menu in a theme.
+	 *
+	 * @since 4.8.1
+	 *
+	 * @param string $title Title of the navigation menu.
+	 * @param string $theme_location Location of a navigation menu in a theme.
+	 */
+	return apply_filters( 'wp_nav_menu_title', $title, $theme_location );
+}
+
+/**
  * Determines whether the given ID is a nav menu item.
  *
  * @since 3.0.0