Simplify onclick action code.

chrome/browser/resources/options/browser_options.js

Index: chrome/browser/resources/options/browser_options.js
diff --git a/chrome/browser/resources/options/browser_options.js b/chrome/browser/resources/options/browser_options.js
index 607215703d6e93625542086459bee80a2edfa60b..d6848ab5ae08dd33611038b21f30b392818557b6 100644
--- a/chrome/browser/resources/options/browser_options.js
+++ b/chrome/browser/resources/options/browser_options.js
@@ -641,17 +641,14 @@ cr.define('options', function() {
       $('sync-action-link').hidden = syncData.actionLinkText.length == 0;
       $('sync-action-link').disabled = syncData.managed;
 
-      if (cr.isChromeOS && syncData.hasError) {
-        // On Chrome OS, sign out the user and sign in again to get fresh
-        // credentials on auth errors.
-        $('sync-action-link').onclick = function(event) {
+      // On Chrome OS, sign out the user and sign in again to get fresh
+      // credentials on auth errors.
+      $('sync-action-link').onclick = function(event) {
+        if (cr.isChromeOS && syncData.hasError)
           SyncSetupOverlay.doSignOutOnAuthError();
-        };
-      } else {
-        $('sync-action-link').onclick = function(event) {
+        else
           SyncSetupOverlay.showErrorUI();
-        };
-      }
+      };
 
       if (syncData.hasError)
         $('sync-status').classList.add('sync-error');