[uber page] Migrate all elements in the 'System' (cros) page to new locations.

chrome/browser/resources/options2/chromeos/pointer_overlay.js

 // Copyright (c) 2012 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.
 
 cr.define('options', function() {
   const SettingsDialog = options.SettingsDialog;
 
   /**
    * PointerOverlay class
    * Dialog that allows users to set pointer settings (touchpad/mouse).
@@ skipping 13 matching lines @@
 
     /**
      * Initialize the page.
      */
     initializePage: function() {
       // Call base class implementation to start preference initialization.
       SettingsDialog.prototype.initializePage.call(this);
     },
   };
 
+  /**
+   * Sets the visibility state of the touchpad group.
+   */
+  PointerOverlay.showTouchpadControls = function(show) {
+    $('pointer-section-touchpad').hidden = !show;
+  };
+
+  /**
+   * Sets the visibility state of the mouse group.
+   */
+  PointerOverlay.showMouseControls = function(show) {
+    $('pointer-section-mouse').hidden = !show;
+  };
+
   // Export
   return {
     PointerOverlay: PointerOverlay
   };
 });