Scaffold for MD-Settings, inside chrome://md-settings.

chrome/browser/resources/settings/dummy_page/dummy_page.js

Index: chrome/browser/resources/settings/dummy_page/dummy_page.js
diff --git a/chrome/browser/resources/settings/dummy_page/dummy_page.js b/chrome/browser/resources/settings/dummy_page/dummy_page.js
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+// 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-dummy-page' is a placeholder page for testing settings UI.
+ */
+Polymer('cr-settings-dummy-page', {
+  publish: {
+    /**
+     * ID of the page.
+     *
+     * @attribute PAGE_ID
+     * @const string
+     * default 'dummy'
+     */
+    PAGE_ID: 'dummy',
+
+    /**
+     * Title for the page header and navigation menu.
+     *
+     * @attribute pageTitle
+     * @type string
+     * @default 'Dummy page'
+     */
+    pageTitle: 'Dummy page',
+
+    /**
+     * Name of the 'core-icon' to show.
+     *
+     * @attribute icon
+     * @type string
+     * @default 'add-circle'
+     */
+    icon: 'add-circle',
+  },
+
+  /**
+   * Placeholder text for help articles.
+   */
+  helpArticles: [{
+    title: 'Dummy Help Article',
+    content: 'You are not a dummy, but in case you need help, this help ' +
+             'article might help.',
+  }, {
+    title: 'Did You Know?',
+    content: 'Oh... you did? Ok. I was just going to... well.. never mind. ' +
+             'I\'ll just let you be, then.',
+  }],
+
+  /**
+   * Event handler for the toggle button for the 'cr-collapse'.
+   */
+  toggleCollapse_: function() {
+    this.$.collapse.toggle();
+  },
+});