options: Remove a bunch of useless:

chrome/browser/resources/chromeos/fake_bluetooth_overlay_parent.js

 // Copyright (c) 2013 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() {
   var OptionsPage = options.OptionsPage;
 
   /**
    * Encapsulated a fake parent page for bluetooth overlay page used by Web UI.
    * @constructor
    */
   function FakeBluetoothOverlayParent(model) {
     OptionsPage.call(this, 'bluetooth',
                      '',
                      'bluetooth-container');
   }
 
   cr.addSingletonGetter(FakeBluetoothOverlayParent);
 
   FakeBluetoothOverlayParent.prototype = {
     // Inherit FakeBluetoothOverlayParent from OptionsPage.
     __proto__: OptionsPage.prototype,
-
-    /**
-     * Initializes FakeBluetoothOverlayParent page.
-     */
-    initializePage: function() {
-      // Call base class implementation to starts preference initialization.
-      OptionsPage.prototype.initializePage.call(this);
-    },
   };
 
   // Export
   return {
     FakeBluetoothOverlayParent: FakeBluetoothOverlayParent
   };
 });