user_manager component: Add UserManagerBase class.

chrome/browser/chromeos/login/users/supervised_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_SUPERVISED_USER_MANAGER_IMPL_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_SUPERVISED_USER_MANAGER_IMPL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/chromeos/login/supervised/supervised_user_authentication.h"
 #include "chrome/browser/chromeos/login/users/supervised_user_manager.h"
 
 namespace chromeos {
 
+class ChromeUserManager;
 class CrosSettings;
-class UserManagerImpl;
 
 // Implementation of the UserManager.
 class SupervisedUserManagerImpl
     : public SupervisedUserManager {
  public:
   virtual ~SupervisedUserManagerImpl();
 
   virtual bool HasSupervisedUsers(const std::string& manager_id) const OVERRIDE;
   virtual const user_manager::User* CreateUserRecord(
       const std::string& manager_id,
@@ skipping 24 matching lines @@
       const std::string& user_id,
       const base::DictionaryValue* password_info) OVERRIDE;
   virtual void LoadSupervisedUserToken(
       Profile * profile,
       const LoadTokenCallback& callback) OVERRIDE;
   virtual void ConfigureSyncWithToken(
       Profile* profile,
       const std::string& token) OVERRIDE;
 
  private:
+  friend class ChromeUserManager;
   friend class UserManager;
-  friend class UserManagerImpl;
 
-  explicit SupervisedUserManagerImpl(UserManagerImpl* owner);
+  explicit SupervisedUserManagerImpl(ChromeUserManager* owner);
 
   // Returns true if there is non-committed user creation transaction.
   bool HasFailedUserCreationTransaction();
 
   // Attempts to clean up data that could be left from failed user creation.
   void RollbackUserCreationTransaction();
 
   void RemoveNonCryptohomeData(const std::string& user_id);
 
   bool CheckForFirstRun(const std::string& user_id);
@@ skipping 22 matching lines @@
                            const char* key,
                            bool* out_value) const;
 
   void SetUserBooleanValue(const std::string& user_id,
                            const char* key,
                            const bool value);
 
   void CleanPref(const std::string& user_id,
                  const char* key);
 
-  UserManagerImpl* owner_;
+  ChromeUserManager* owner_;
 
   // Interface to the signed settings store.
   CrosSettings* cros_settings_;
 
   scoped_ptr<SupervisedUserAuthentication> authentication_;
 
   DISALLOW_COPY_AND_ASSIGN(SupervisedUserManagerImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_SUPERVISED_USER_MANAGER_IMPL_H_