Resubmit http://codereview.chromium.org/314016 with views fixed

chrome/browser/sync/sync_status_ui_helper.h

 // Copyright (c) 2009 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.
 
 #if defined(BROWSER_SYNC)
 
 #ifndef CHROME_BROWSER_SYNC_SYNC_STATUS_UI_HELPER_H_
 #define CHROME_BROWSER_SYNC_SYNC_STATUS_UI_HELPER_H_
 
 #include "base/string16.h"
 
 class ProfileSyncService;
 
 // Utility to gather current sync status information from the sync service and
 // constructs messages suitable for showing in UI.
 class SyncStatusUIHelper {
  public:
   enum MessageType {
     PRE_SYNCED,  // User has not set up sync.
     SYNCED,      // We are synced and authenticated to a gmail account.
     SYNC_ERROR,  // A sync error (such as invalid credentials) has occurred.
   };
 
   // Create status and link labels for the current status labels and link text
   // by querying |service|.
   static MessageType GetLabels(ProfileSyncService* service,
-                               std::wstring* status_label,
-                               std::wstring* link_label);
+                               string16* status_label,
+                               string16* link_label);
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(SyncStatusUIHelper);
 };
 
 #endif  // CHROME_BROWSER_SYNC_SYNC_STATUS_UI_HELPER_H_
 #endif  // defined(BROWSER_SYNC)