[cros login] Cleanup: replace some of Profile usages with BrowserContext.

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_LOGIN_PROFILE_AUTH_DATA_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_PROFILE_AUTH_DATA_H_
 
 #include <string>
 #include "base/callback.h"
 
-class Profile;
+namespace content {
+class BrowserContext;
+}
 
 namespace chromeos {
 
-// Helper class for transferring authentication related data from one profile
-// to another: proxy authentication cache, cookies, server bound certs.
+// Helper class for transferring authentication related data from one
+// BrowserContext to another: proxy auth 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.
-  // |completion_callback| will be called on UI thread after the operation is
-  // completed.
-  static void Transfer(Profile* from_profile,
-                       Profile* to_profile,
+  // server bound certs from the BrowserContext that was used for
+  // authentication. |completion_callback| will be called on UI thread after
+  // the operation is completed.
+  static void Transfer(content::BrowserContext* from_context,
+                       content::BrowserContext* to_context,
                        bool transfer_cookies,
                        const base::Closure& completion_callback);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(ProfileAuthData);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_PROFILE_AUTH_DATA_H_