Hide delete-profile checkbox when profile deletion is forbidden.

chrome/browser/resources/sync_setup_overlay.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.
 
 cr.define('options', function() {
   /** @const */ var Page = cr.ui.pageManager.Page;
   /** @const */ var PageManager = cr.ui.pageManager.PageManager;
 
   // True if the synced account uses a custom passphrase.
   var usePassphrase_ = false;
@@ skipping 52 matching lines @@
   cr.addSingletonGetter(SyncSetupOverlay);
 
   SyncSetupOverlay.prototype = {
     __proto__: Page.prototype,
 
     /** @override */
     initializePage: function() {
       Page.prototype.initializePage.call(this);
 
       var self = this;
+
+      // If 'profilesInfo' doesn't exist, it's forbidden to delete profile.
+      // So don't display the delete-profile checkbox.
+      if (!loadTimeData.valueExists('profilesInfo') &&
+          $('sync-setup-delete-profile')) {
+        $('sync-setup-delete-profile').hidden = true;
+      }
+
       $('basic-encryption-option').onchange =
           $('full-encryption-option').onchange = function() {
         self.onEncryptionRadioChanged_();
       };
       $('choose-datatypes-cancel').onclick =
           $('confirm-everything-cancel').onclick =
           $('stop-syncing-cancel').onclick =
           $('sync-spinner-cancel').onclick = function() {
         self.closeOverlay_();
       };
@@ skipping 721 matching lines @@
 
   SyncSetupOverlay.showStopSyncingUI = function() {
     SyncSetupOverlay.getInstance().showStopSyncingUI_();
   };
 
   // Export
   return {
     SyncSetupOverlay: SyncSetupOverlay
   };
 });