diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-includes/customize/class-wp-customize-nav-menu-item-control.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/customize/class-wp-customize-nav-menu-item-control.php	Mon Oct 14 17:39:30 2019 +0200
@@ -0,0 +1,162 @@
+<?php
+/**
+ * Customize API: WP_Customize_Nav_Menu_Item_Control class
+ *
+ * @package WordPress
+ * @subpackage Customize
+ * @since 4.4.0
+ */
+
+/**
+ * Customize control to represent the name field for a given menu.
+ *
+ * @since 4.3.0
+ */
+class WP_Customize_Nav_Menu_Item_Control extends WP_Customize_Control {
+
+	/**
+	 * Control type.
+	 *
+	 * @since 4.3.0
+	 * @var string
+	 */
+	public $type = 'nav_menu_item';
+
+	/**
+	 * The nav menu item setting.
+	 *
+	 * @since 4.3.0
+	 * @var WP_Customize_Nav_Menu_Item_Setting
+	 */
+	public $setting;
+
+	/**
+	 * Constructor.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @see WP_Customize_Control::__construct()
+	 *
+	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
+	 * @param string               $id      The control ID.
+	 * @param array                $args    Optional. Overrides class property defaults.
+	 */
+	public function __construct( $manager, $id, $args = array() ) {
+		parent::__construct( $manager, $id, $args );
+	}
+
+	/**
+	 * Don't render the control's content - it's rendered with a JS template.
+	 *
+	 * @since 4.3.0
+	 */
+	public function render_content() {}
+
+	/**
+	 * JS/Underscore template for the control UI.
+	 *
+	 * @since 4.3.0
+	 */
+	public function content_template() {
+		?>
+		<div class="menu-item-bar">
+			<div class="menu-item-handle">
+				<span class="item-type" aria-hidden="true">{{ data.item_type_label }}</span>
+				<span class="item-title" aria-hidden="true">
+					<span class="spinner"></span>
+					<span class="menu-item-title<# if ( ! data.title && ! data.original_title ) { #> no-title<# } #>">{{ data.title || data.original_title || wp.customize.Menus.data.l10n.untitled }}</span>
+				</span>
+				<span class="item-controls">
+					<button type="button" class="button-link item-edit" aria-expanded="false"><span class="screen-reader-text"><?php
+						/* translators: 1: Title of a menu item, 2: Type of a menu item */
+						printf( __( 'Edit menu item: %1$s (%2$s)' ), '{{ data.title || wp.customize.Menus.data.l10n.untitled }}', '{{ data.item_type_label }}' );
+					?></span><span class="toggle-indicator" aria-hidden="true"></span></button>
+					<button type="button" class="button-link item-delete submitdelete deletion"><span class="screen-reader-text"><?php
+						/* translators: 1: Title of a menu item, 2: Type of a menu item */
+						printf( __( 'Remove Menu Item: %1$s (%2$s)' ), '{{ data.title || wp.customize.Menus.data.l10n.untitled }}', '{{ data.item_type_label }}' );
+					?></span></button>
+				</span>
+			</div>
+		</div>
+
+		<div class="menu-item-settings" id="menu-item-settings-{{ data.menu_item_id }}">
+			<# if ( 'custom' === data.item_type ) { #>
+			<p class="field-url description description-thin">
+				<label for="edit-menu-item-url-{{ data.menu_item_id }}">
+					<?php _e( 'URL' ); ?><br />
+					<input class="widefat code edit-menu-item-url" type="text" id="edit-menu-item-url-{{ data.menu_item_id }}" name="menu-item-url" />
+				</label>
+			</p>
+		<# } #>
+			<p class="description description-thin">
+				<label for="edit-menu-item-title-{{ data.menu_item_id }}">
+					<?php _e( 'Navigation Label' ); ?><br />
+					<input type="text" id="edit-menu-item-title-{{ data.menu_item_id }}" placeholder="{{ data.original_title }}" class="widefat edit-menu-item-title" name="menu-item-title" />
+				</label>
+			</p>
+			<p class="field-link-target description description-thin">
+				<label for="edit-menu-item-target-{{ data.menu_item_id }}">
+					<input type="checkbox" id="edit-menu-item-target-{{ data.menu_item_id }}" class="edit-menu-item-target" value="_blank" name="menu-item-target" />
+					<?php _e( 'Open link in a new tab' ); ?>
+				</label>
+			</p>
+			<p class="field-title-attribute field-attr-title description description-thin">
+				<label for="edit-menu-item-attr-title-{{ data.menu_item_id }}">
+					<?php _e( 'Title Attribute' ); ?><br />
+					<input type="text" id="edit-menu-item-attr-title-{{ data.menu_item_id }}" class="widefat edit-menu-item-attr-title" name="menu-item-attr-title" />
+				</label>
+			</p>
+			<p class="field-css-classes description description-thin">
+				<label for="edit-menu-item-classes-{{ data.menu_item_id }}">
+					<?php _e( 'CSS Classes' ); ?><br />
+					<input type="text" id="edit-menu-item-classes-{{ data.menu_item_id }}" class="widefat code edit-menu-item-classes" name="menu-item-classes" />
+				</label>
+			</p>
+			<p class="field-xfn description description-thin">
+				<label for="edit-menu-item-xfn-{{ data.menu_item_id }}">
+					<?php _e( 'Link Relationship (XFN)' ); ?><br />
+					<input type="text" id="edit-menu-item-xfn-{{ data.menu_item_id }}" class="widefat code edit-menu-item-xfn" name="menu-item-xfn" />
+				</label>
+			</p>
+			<p class="field-description description description-thin">
+				<label for="edit-menu-item-description-{{ data.menu_item_id }}">
+					<?php _e( 'Description' ); ?><br />
+					<textarea id="edit-menu-item-description-{{ data.menu_item_id }}" class="widefat edit-menu-item-description" rows="3" cols="20" name="menu-item-description">{{ data.description }}</textarea>
+					<span class="description"><?php _e( 'The description will be displayed in the menu if the current theme supports it.' ); ?></span>
+				</label>
+			</p>
+
+			<div class="menu-item-actions description-thin submitbox">
+				<# if ( ( 'post_type' === data.item_type || 'taxonomy' === data.item_type ) && '' !== data.original_title ) { #>
+				<p class="link-to-original">
+					<?php
+						/* translators: Nav menu item original title. 1: Original title */
+						printf( __( 'Original: %s' ), '<a class="original-link" href="{{ data.url }}">{{ data.original_title }}</a>' );
+					?>
+				</p>
+				<# } #>
+
+				<button type="button" class="button-link button-link-delete item-delete submitdelete deletion"><?php _e( 'Remove' ); ?></button>
+				<span class="spinner"></span>
+			</div>
+			<input type="hidden" name="menu-item-db-id[{{ data.menu_item_id }}]" class="menu-item-data-db-id" value="{{ data.menu_item_id }}" />
+			<input type="hidden" name="menu-item-parent-id[{{ data.menu_item_id }}]" class="menu-item-data-parent-id" value="{{ data.parent }}" />
+		</div><!-- .menu-item-settings-->
+		<ul class="menu-item-transport"></ul>
+		<?php
+	}
+
+	/**
+	 * Return parameters for this control.
+	 *
+	 * @since 4.3.0
+	 *
+	 * @return array Exported parameters.
+	 */
+	public function json() {
+		$exported                 = parent::json();
+		$exported['menu_item_id'] = $this->setting->post_id;
+
+		return $exported;
+	}
+}