Add note page to settings.

chrome/browser/resources/settings/device_page/device_page.js

 // Copyright 2016 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 'settings-device-page' is the settings page for device and
  * peripheral settings.
  */
 Polymer({
   is: 'settings-device-page',
@@ skipping 21 matching lines @@
     hasMouse_: {
       type: Boolean,
       value: false,
     },
 
     /** @private */
     hasTouchpad_: {
       type: Boolean,
       value: false,
     },
+
+    /** @private */
+    noteAllowed_: {
+      type: Boolean,
+      value: function() {
+        return loadTimeData.getBoolean('noteAllowed');
+      },
+      readOnly: true,
+    },
   },
 
   observers: [
     'pointersChanged_(hasMouse_, hasTouchpad_)',
   ],
 
   ready: function() {
     cr.addWebUIListener('has-mouse-changed', this.set.bind(this, 'hasMouse_'));
     cr.addWebUIListener(
         'has-touchpad-changed', this.set.bind(this, 'hasTouchpad_'));
@@ skipping 36 matching lines @@
 
   /**
    * Handler for tapping the Keyboard settings menu item.
    * @private
    */
   onKeyboardTap_: function() {
     this.$.pages.setSubpageChain(['keyboard']);
   },
 
   /**
+   * Handler for tapping the Keyboard settings menu item.
+   * @private
+   */
+  onNoteTap_: function() {
+    this.$.pages.setSubpageChain(['note']);
+  },
+
+  /**
    * Handler for tapping the Display settings menu item.
    * @private
    */
   onDisplayTap_: function() {
     this.$.pages.setSubpageChain(['display']);
   },
 
   /** @private */
   currentRouteChanged_: function() {
     this.checkPointerSubpage_();
@@ skipping 26 matching lines @@
    * @private
    */
   isCurrentRouteOnPointersPage_: function() {
     return this.currentRoute &&
         this.currentRoute.page == 'basic' &&
         this.currentRoute.section == 'device' &&
         this.currentRoute.subpage.length == 1 &&
         this.currentRoute.subpage[0] == 'pointers';
   },
 });