Creating supervised users restricted for regular users if they are supervised.

chrome/browser/chromeos/login/users/chrome_user_manager_impl.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 CHROME_BROWSER_CHROMEOS_LOGIN_USERS_CHROME_USER_MANAGER_IMPL_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_CHROME_USER_MANAGER_IMPL_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 59 matching lines @@
   virtual SupervisedUserManager* GetSupervisedUserManager() override;
   virtual UserFlow* GetCurrentUserFlow() const override;
   virtual UserFlow* GetUserFlow(const std::string& user_id) const override;
   virtual void SetUserFlow(const std::string& user_id, UserFlow* flow) override;
   virtual void ResetUserFlow(const std::string& user_id) override;
 
   // UserManager implementation:
   virtual void Shutdown() override;
   virtual user_manager::UserList GetUsersAllowedForMultiProfile()
       const override;
+  virtual user_manager::UserList GetUsersAllowedForSupervisedUsersCreation()
+      const override;
   virtual user_manager::UserList GetUnlockUsers() const override;
   virtual void SessionStarted() override;
   virtual void SaveUserOAuthStatus(
       const std::string& user_id,
       user_manager::User::OAuthTokenStatus oauth_token_status) override;
   virtual void SaveUserDisplayName(const std::string& user_id,
                                    const base::string16& display_name) override;
   virtual bool CanCurrentUserLock() const override;
   virtual bool IsUserNonCryptohomeDataEphemeral(
       const std::string& user_id) const override;
@@ skipping 145 matching lines @@
       wallpaper_policy_observer_;
 
   base::WeakPtrFactory<ChromeUserManagerImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeUserManagerImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_CHROME_USER_MANAGER_IMPL_H_