Fix for sync setup UI when user is already logged in.

chrome/browser/resources/options/sync_setup_overlay.js

Index: chrome/browser/resources/options/sync_setup_overlay.js
diff --git a/chrome/browser/resources/options/sync_setup_overlay.js b/chrome/browser/resources/options/sync_setup_overlay.js
index fb439c46bb415b8a1fa882a462fb13c4dbce2e57..21958d66c741bb44a42b4edae82e7012b6b49ec4 100644
--- a/chrome/browser/resources/options/sync_setup_overlay.js
+++ b/chrome/browser/resources/options/sync_setup_overlay.js
@@ -578,10 +578,10 @@ cr.define('options', function() {
         }
 
         if (!args.editable_user) {
-          email.style.display = 'none';
-          var span = document.getElementById('email-readonly');
-          span.appendChild(document.createTextNode(email.value));
-          span.style.display = 'inline';
+          email.hidden = true;
+          var span = $('email-readonly');
+          span.textContent = email.value;
+          span.hidden = false;
           $('create-account-div').hidden = true;
         }