Always use ProfileSyncService::ShowErrorUI to handle error links.

chrome/browser/dom_ui/options/personal_options_handler.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_DOM_UI_OPTIONS_PERSONAL_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_DOM_UI_OPTIONS_PERSONAL_OPTIONS_HANDLER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "chrome/browser/browser_signin.h"
@@ skipping 24 matching lines @@
 
   // ProfileSyncServiceObserver implementation.
   virtual void OnStateChanged();
 
   // BrowserSignin::SigninDelegate implementation.
   virtual void OnLoginSuccess();
   virtual void OnLoginFailure(const GoogleServiceAuthError& error);
 
  private:
   void ObserveThemeChanged();
+  void ShowSyncActionDialog(const ListValue* args);
   void ShowSyncLoginDialog(const ListValue* args);
   void ShowCustomizeSyncDialog(const ListValue* args);
   void ThemesReset(const ListValue* args);
 #if defined(TOOLKIT_GTK)
   void ThemesSetGTK(const ListValue* args);
 #endif
 
   // Called when the user updates the set of enabled data types to sync. |args|
   // is ignored.
   void OnPreferredDataTypesUpdated(const ListValue* args);
 
 #if defined(OS_CHROMEOS)
   void LoadAccountPicture(const ListValue* args);
 #endif
 
   scoped_ptr<OptionsManagedBannerHandler> banner_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(PersonalOptionsHandler);
 };
 
 #endif  // CHROME_BROWSER_DOM_UI_OPTIONS_PERSONAL_OPTIONS_HANDLER_H_