Whitelist checkbox on ChromeOS users settings page should be inverted.

chrome/browser/resources/options/pref_ui.js

 // Copyright (c) 2010 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 Preferences = options.Preferences;
   /////////////////////////////////////////////////////////////////////////////
   // PrefCheckbox class:
 
   // Define a constructor that uses an input element as its underlying element.
   var PrefCheckbox = cr.ui.define('input');
 
   PrefCheckbox.prototype = {
     // Set up the prototype chain
     __proto__: HTMLInputElement.prototype,
 
     /**
      * Initialization function for the cr.ui framework.
      */
     decorate: function() {
       this.type = 'checkbox';
       var self = this;
 
       // Listen to pref changes.
       Preferences.getInstance().addEventListener(this.pref,
           function(event) {
             var value = event.value && event.value['value'] != undefined ?
                 event.value['value'] : event.value;
-            self.checked = Boolean(value);
+            // Invert pref value if inverted_pref == true.
+            if (self.inverted_pref)
+              self.checked = !Boolean(value);
+            else
+              self.checked = Boolean(value);
             self.managed = event.value && event.value['managed'] != undefined ?
                 event.value['managed'] : false;
             self.disabled = self.managed;
             // Honor manually_disabled property, so options pages can
             // disable preferences manually when needed.
             if (self.manually_disabled) {
               self.disabled = true;
             }
           });
 
       // Listen to user events.
       this.addEventListener('click',
           function(e) {
+            var value = self.inverted_pref ? !self.checked : self.checked;
             switch(self.valueType) {
               case 'number':
                 Preferences.setIntegerPref(self.pref,
-                    Number(self.checked), self.metric);
+                    Number(value), self.metric);
                 break;
               case 'boolean':
                 Preferences.setBooleanPref(self.pref,
-                    self.checked, self.metric);
+                    value, self.metric);
                 break;
             }
           });
 
       // Initialize options.
       this.ownerDocument.addEventListener('DOMContentLoaded',
           function() {
             self.initializeValueType(self.getAttribute('value-type'));
           });
     },
@@ skipping 12 matching lines @@
    * @type {string}
    */
   cr.defineProperty(PrefCheckbox, 'pref', cr.PropertyKind.ATTR);
 
   /**
    * The user metric string.
    * @type {string}
    */
   cr.defineProperty(PrefCheckbox, 'metric', cr.PropertyKind.ATTR);
 
+  /**
+   * Whether to use inverted pref value.
+   * @type {boolean}
+   */
+  cr.defineProperty(PrefCheckbox, 'inverted_pref', cr.PropertyKind.BOOL_ATTR);
+
   /////////////////////////////////////////////////////////////////////////////
   // PrefRadio class:
 
   //Define a constructor that uses an input element as its underlying element.
   var PrefRadio = cr.ui.define('input');
 
   PrefRadio.prototype = {
     // Set up the prototype chain
     __proto__: HTMLInputElement.prototype,
 
@@ skipping 319 matching lines @@
     PrefCheckbox: PrefCheckbox,
     PrefNumber: PrefNumber,
     PrefNumeric: PrefNumeric,
     PrefRadio: PrefRadio,
     PrefRange: PrefRange,
     PrefSelect: PrefSelect,
     PrefTextField: PrefTextField
   };
 
 });