Hide Wallet checkbox when user signs out of sync.

chrome/browser/resources/options/autofill_options.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.
 
 /**
  * @typedef {{
  *   creditCardNumber: string,
  *   expirationMonth: string,
  *   expirationYear: string,
  *   guid: string,
@@ skipping 71 matching lines @@
         }
       };
 </if>
 
       $('autofill-help').onclick = function(event) {
         chrome.send('coreOptionsUserMetricsAction',
                     ['Options_AutofillShowAbout']);
         return true;  // Always follow the href
       };
 
-      var enableWalletIntegration =
-          loadTimeData.getBoolean('enableAutofillWalletIntegration');
-      $('autofill-wallet-setting-area').hidden = !enableWalletIntegration;
+      this.walletIntegrationAvailableStateChanged_(
+          loadTimeData.getBoolean('autofillWalletIntegrationAvailable'));
 
       // TODO(jhawkins): What happens when Autofill is disabled whilst on the
       // Autofill options page?
     },
 
     /**
      * Creates, decorates and initializes the address list.
      * @private
      */
     createAddressList_: function() {
@@ skipping 117 matching lines @@
      * associative array that contains the credit card data.
      * @param {CreditCardData} creditCard
      * @private
      */
     showEditCreditCardOverlay_: function(creditCard) {
       var title = loadTimeData.getString('editCreditCardTitle');
       AutofillEditCreditCardOverlay.setTitle(title);
       AutofillEditCreditCardOverlay.loadCreditCard(creditCard);
       PageManager.showPageByName('autofillEditCreditCard');
     },
+
+    /**
+     * Toggles the visibility of the Wallet integration checkbox.
+     * @param {boolean} available Whether the user has the option of using
+     *     Wallet data.
+     * @private
+     */
+    walletIntegrationAvailableStateChanged_: function(available) {
+      $('autofill-wallet-setting-area').hidden = !available;
+    },
   };
 
   AutofillOptions.setAddressList = function(entries) {
     AutofillOptions.getInstance().setAddressList_(entries);
   };
 
   AutofillOptions.setCreditCardList = function(entries) {
     AutofillOptions.getInstance().setCreditCardList_(entries);
   };
 
   AutofillOptions.removeData = function(guid, metricsAction) {
     AutofillOptions.getInstance().removeData_(guid, metricsAction);
   };
 
   AutofillOptions.loadAddressEditor = function(entry) {
     AutofillOptions.getInstance().loadAddressEditor_(entry);
   };
 
   AutofillOptions.loadCreditCardEditor = function(entry) {
     AutofillOptions.getInstance().loadCreditCardEditor_(entry);
   };
 
   AutofillOptions.editAddress = function(address) {
     AutofillOptions.getInstance().showEditAddressOverlay_(address);
   };
 
+  AutofillOptions.walletIntegrationAvailableStateChanged = function(available) {
+    AutofillOptions.getInstance().
+        walletIntegrationAvailableStateChanged_(available);
+  };
+
   /**
    * @param {CreditCardData} creditCard
    */
   AutofillOptions.editCreditCard = function(creditCard) {
     AutofillOptions.getInstance().showEditCreditCardOverlay_(creditCard);
   };
 
   // Export
   return {
     AutofillOptions: AutofillOptions
   };
 
 });