Put Kiosk App parameters into device settings.

chrome/browser/resources/options/chromeos/kiosk_app_disable_bailout_confirm.js

 // Copyright 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() {
   /** @const */ var OptionsPage = options.OptionsPage;
 
   /**
    * A confirmation overlay for disabling kiosk app bailout shortcut.
    * @extends {options.OptionsPage}
@@ skipping 13 matching lines @@
 
     /** @override */
     initializePage: function() {
       OptionsPage.prototype.initializePage.call(this);
 
       var el = $('kiosk-disable-bailout-shortcut');
       el.customChangeHandler = this.handleDisableBailoutShortcutChange_;
 
       $('kiosk-disable-bailout-confirm-button').onclick = function(e) {
         OptionsPage.closeOverlay();
-        Preferences.setBooleanPref(el.pref, true);
+        Preferences.setBooleanPref(
+            'cros.accounts.deviceLocalAccountAutoLoginBailoutEnabled',
+            false, true);
       };
       $('kiosk-disable-bailout-cancel-button').onclick = this.handleCancel;
     },
 
     /** @override */
     handleCancel: function() {
       OptionsPage.closeOverlay();
       $('kiosk-disable-bailout-shortcut').checked = false;
     },
 
@@ skipping 13 matching lines @@
       return true;
     }
   };
 
   // Export
   return {
     KioskDisableBailoutConfirm: KioskDisableBailoutConfirm
   };
 });