ChromeOS user_manager: move all KnownUser code to separate file.

chrome/browser/chromeos/login/users/fake_chrome_user_manager.h

 // Copyright 2015 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_FAKE_CHROME_USER_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_FAKE_CHROME_USER_MANAGER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 44 matching lines @@
   UserFlow* GetUserFlow(const AccountId& account_id) const override;
   void ResetUserFlow(const AccountId& account_id) override;
   user_manager::UserList GetUsersAllowedForSupervisedUsersCreation()
       const override;
   void SwitchActiveUser(const AccountId& account_id) override;
   const AccountId& GetOwnerAccountId() const override;
   void SessionStarted() override;
   void RemoveUser(const AccountId& account_id,
                   user_manager::RemoveUserDelegate* delegate) override;
   void RemoveUserFromList(const AccountId& account_id) override;
-  bool FindKnownUserPrefs(const AccountId& account_id,
-                          const base::DictionaryValue** out_value) override;
-  void UpdateKnownUserPrefs(const AccountId& account_id,
-                            const base::DictionaryValue& values,
-                            bool clear) override;
 
   void set_owner_id(const AccountId& owner_account_id) {
     owner_account_id_ = owner_account_id;
   }
 
   void set_bootstrap_manager(BootstrapManager* bootstrap_manager) {
     bootstrap_manager_ = bootstrap_manager;
   }
 
   void set_multi_profile_user_controller(
@@ skipping 19 matching lines @@
   // Specific flows by user e-mail.
   // Keys should be canonicalized before access.
   FlowMap specific_flows_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeChromeUserManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_FAKE_CHROME_USER_MANAGER_H_