Improved GAIA cookie retrieval logic in ChromeOS login

chrome/browser/chromeos/login/profile_auth_data.h

 // Copyright (c) 2012 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_CHROMEOS_PROFILE_AUTH_DATA_H_
-#define CHROME_BROWSER_CHROMEOS_PROFILE_AUTH_DATA_H_
+#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_PROFILE_AUTH_DATA_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_PROFILE_AUTH_DATA_H_
 
-#include "base/memory/ref_counted.h"
+#include <string>
+#include "base/callback.h"
 
 class Profile;
 
 namespace chromeos {
 
 // Helper class for transferring authentication related data from one profile
 // to another: proxy authentication cache, cookies, server bound certs.
 class ProfileAuthData {
  public:
   // Transfers proxy authentication cache and optionally |transfer_cookies| and
   // server bound certs from the profile that was used for authentication.
-  static void Transfer(Profile* from_profile,
-                       Profile* to_profile,
-                       bool transfer_cookies);
+  // |cookies_transfered_callback| will be called on UI thread after cookie
+  // transfer part of this operation is completed.
+  static void Transfer(
+      Profile* from_profile,
+      Profile* to_profile,
+      bool transfer_cookies,
+      const base::Callback<void()>& cookies_transfered_callback);
+
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(ProfileAuthData);
 };
 
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_CHROMEOS_PROFILE_AUTH_DATA_H_
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_PROFILE_AUTH_DATA_H_