JS style nits

chrome/browser/resources/sync_setup_overlay.js

Index: chrome/browser/resources/sync_setup_overlay.js
diff --git a/chrome/browser/resources/sync_setup_overlay.js b/chrome/browser/resources/sync_setup_overlay.js
index 9240022e0ae83d094d15da50089b3cd9c9ed6860..3f84fe17676eb37364d282b560d188039558b585 100644
--- a/chrome/browser/resources/sync_setup_overlay.js
+++ b/chrome/browser/resources/sync_setup_overlay.js
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 cr.define('options', function() {
-  const OptionsPage = options.OptionsPage;
+  /** @const */ var OptionsPage = options.OptionsPage;
 
   // Variable to track if a captcha challenge was issued. If this gets set to
   // true, it stays that way until we are told about successful login from
@@ -74,7 +74,7 @@ cr.define('options', function() {
 
     /** @inheritDoc */
     didShowPage: function() {
-      var forceLogin = document.location.hash == "#forceLogin";
+      var forceLogin = document.location.hash == '#forceLogin';
       var result = JSON.stringify({'forceLogin': forceLogin});
       chrome.send('SyncSetupAttachHandler', [result]);
     },