Scaffold for MD-Settings.

chrome/browser/resources/settings/settings_menu/settings_menu.js

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * @fileoverview
+ * 'cr-settings-menu' shows a menu with the given pages.
+ *
+ * Example:
+ *
+ *     <cr-settings-menu pages="{{pages}}" selectedId="{{selectedId}}">
+ *     </cr-settings-menu>
+ *
+ * @group Chrome Settings Elements
+ * @element cr-settings-menu
+ */
+Polymer('cr-settings-menu', {
+  publish: {
+    /**
+     * Pages to show menu items for.
+     *
+     * @attribute pages
+     * @type Array<!Object>
+     * @default null
+     */
+    pages: null,
+
+    /**
+     * ID of the currently selected page.
+     *
+     * @attribute selectedId
+     * @type string
+     * default ''
+     */
+    selectedId: '',
+  },
+
+  /** @override */
+  created: function() {
+    this.pages = [];
+  },
+});