Avoid possible recursion during supervised user sign in

chromeos/login/auth/login_performer.h

 // Copyright 2014 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 CHROMEOS_LOGIN_AUTH_LOGIN_PERFORMER_H_
 #define CHROMEOS_LOGIN_AUTH_LOGIN_PERFORMER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 177 matching lines @@
   void StartLoginCompletion();
 
   // Starts authentication.
   void StartAuthentication();
   void NotifyWhitelistCheckFailure();
 
   // Makes sure that authenticator is created.
   void EnsureAuthenticator();
   void EnsureExtendedAuthenticator();
 
+  // Actual implementation of LoginAsSupervisedUser that is run after trusted
+  // values check.
+  void TrustedLoginAsSupervisedUser(const UserContext& user_context);
+
   // Actual implementantion of PeformLogin that is run after trusted values
   // check.
   void DoPerformLogin(const UserContext& user_context,
                       AuthorizationMode auth_mode);
 
   scoped_refptr<base::TaskRunner> task_runner_;
 
   // Used for logging in.
   scoped_refptr<Authenticator> authenticator_;
 
@@ skipping 18 matching lines @@
   // Authorization mode type.
   AuthorizationMode auth_mode_;
 
   base::WeakPtrFactory<LoginPerformer> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(LoginPerformer);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_LOGIN_AUTH_LOGIN_PERFORMER_H_