--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-admin/includes/class-language-pack-upgrader-skin.php	Mon Oct 14 17:39:30 2019 +0200
@@ -0,0 +1,84 @@
+<?php
+/**
+ * Upgrader API: Language_Pack_Upgrader_Skin class
+ *
+ * @package WordPress
+ * @subpackage Upgrader
+ * @since 4.6.0
+ */
+
+/**
+ * Translation Upgrader Skin for WordPress Translation Upgrades.
+ *
+ * @since 3.7.0
+ * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
+ *
+ * @see WP_Upgrader_Skin
+ */
+class Language_Pack_Upgrader_Skin extends WP_Upgrader_Skin {
+	public $language_update = null;
+	public $done_header = false;
+	public $done_footer = false;
+	public $display_footer_actions = true;
+
+	/**
+	 *
+	 * @param array $args
+	 */
+	public function __construct( $args = array() ) {
+		$defaults = array( 'url' => '', 'nonce' => '', 'title' => __( 'Update Translations' ), 'skip_header_footer' => false );
+		$args = wp_parse_args( $args, $defaults );
+		if ( $args['skip_header_footer'] ) {
+			$this->done_header = true;
+			$this->done_footer = true;
+			$this->display_footer_actions = false;
+		}
+		parent::__construct( $args );
+	}
+
+	/**
+	 */
+	public function before() {
+		$name = $this->upgrader->get_name_for_update( $this->language_update );
+
+		echo '<div class="update-messages lp-show-latest">';
+
+		printf( '<h2>' . __( 'Updating translations for %1$s (%2$s)&#8230;' ) . '</h2>', $name, $this->language_update->language );
+	}
+
+	/**
+	 *
+	 * @param string|WP_Error $error
+	 */
+	public function error( $error ) {
+		echo '<div class="lp-error">';
+		parent::error( $error );
+		echo '</div>';
+	}
+
+	/**
+	 */
+	public function after() {
+		echo '</div>';
+	}
+
+	/**
+	 */
+	public function bulk_footer() {
+		$this->decrement_update_count( 'translation' );
+		$update_actions = array();
+		$update_actions['updates_page'] = '<a href="' . self_admin_url( 'update-core.php' ) . '" target="_parent">' . __( 'Return to WordPress Updates page' ) . '</a>';
+
+		/**
+		 * Filters the list of action links available following a translations update.
+		 *
+		 * @since 3.7.0
+		 *
+		 * @param array $update_actions Array of translations update links.
+		 */
+		$update_actions = apply_filters( 'update_translations_complete_actions', $update_actions );
+
+		if ( $update_actions && $this->display_footer_actions )
+			$this->feedback( implode( ' | ', $update_actions ) );
+	}
+}