Menus: Add the `menu-item-home` class to the static front page.

When a site is using a static front page, and that page is in a menu, it isn't given the CSS class `menu-item-home`, contrary to the developer documentation.

Props christophherr.
Fixes #35272.


Built from https://develop.svn.wordpress.org/trunk@38882


git-svn-id: http://core.svn.wordpress.org/trunk@38825 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/nav-menu-template.php

@@ -376,6 +376,11 @@ function _wp_menu_item_classes_by_context( &$menu_items ) {
 				$classes[] = 'page-item-' . $menu_item->object_id;
 				$classes[] = 'current_page_item';
 			}
+
+			if ( 'page_on_front' ) {
+				$classes[] = 'menu-item-home';
+			}
+
 			$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;
 			$active_parent_object_ids[] = (int) $menu_item->post_parent;
 			$active_object = $menu_item->object;

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38881';
+$wp_version = '4.7-alpha-38882';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.