Add an enrolling state for consumer management section in settings page.

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

 // Copyright 2014 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 Page = cr.ui.pageManager.Page;
   var PageManager = cr.ui.pageManager.PageManager;
 
   /**
    * ConsumerManagementOverlay class
    * Dialog that allows users to enroll/unenroll consumer management service.
    * @extends {SettingsDialog}
    * @constructor
    */
   function ConsumerManagementOverlay() {
     Page.call(this, 'consumer-management-overlay',
               loadTimeData.getString('consumerManagementOverlayTabTitle'),
               'consumer-management-overlay');
 
-    var isEnrolled = loadTimeData.getBoolean('consumerManagementEnrolled');
-    $('enroll-content').hidden = isEnrolled;
-    $('unenroll-content').hidden = !isEnrolled;
-
     $('consumer-management-overlay-enroll').onclick = function(event) {
       chrome.send('enrollConsumerManagement');
       PageManager.closeOverlay();
     };
     $('consumer-management-overlay-unenroll').onclick = function(event) {
       chrome.send('unenrollConsumerManagement');
       PageManager.closeOverlay();
     };
     $('consumer-management-overlay-enroll-cancel').onclick = function(event) {
       PageManager.closeOverlay();
     };
     $('consumer-management-overlay-unenroll-cancel').onclick = function(event) {
       PageManager.closeOverlay();
     };
   }
 
   cr.addSingletonGetter(ConsumerManagementOverlay);
 
   ConsumerManagementOverlay.prototype = {
     __proto__: Page.prototype,
   };
 
+  /**
+   * Consumer management status.
+   * See chrome/browser/chromeos/policy/consumer_management_service.h.
+   * @enum {string}
+   */
+  ConsumerManagementOverlay.Status = {
+    STATUS_UNKNOWN: 'StatusUnknown',
+    STATUS_ENROLLED: 'StatusEnrolled',
+    STATUS_ENROLLING: 'StatusEnrolling',
+    STATUS_UNENROLLED: 'StatusUnenrolled',
+    STATUS_UNENROLLING: 'StatusUnenrolling'
+  };
+
+  /**
+   * Shows enrollment or unenrollment content based on the status.
+   * @enum {string} status Consumer management service status string.
+   */
+  ConsumerManagementOverlay.setStatus = function(status) {
+    // Status should only be enrolled or unenrolled.
+    assert(status == this.Status.STATUS_ENROLLED ||
+           status == this.Status.STATUS_UNENROLLED);
+    var enrolled = status == this.Status.STATUS_ENROLLED;
+    $('enroll-content').hidden = enrolled;
+    $('unenroll-content').hidden = !enrolled;
+  };
+
   // Export
   return {
     ConsumerManagementOverlay: ConsumerManagementOverlay
   };
 });