ash: Replace SessionStateDelegate::CanAddUserToMultiProfile

chrome/browser/ui/ash/session_state_delegate_chromeos.h

 // Copyright (c) 2013 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_UI_ASH_SESSION_STATE_DELEGATE_CHROMEOS_H_
 #define CHROME_BROWSER_UI_ASH_SESSION_STATE_DELEGATE_CHROMEOS_H_
 
 #include "ash/common/session/session_state_delegate.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
@@ skipping 11 matching lines @@
       public chromeos::LoginState::Observer,
       public user_manager::UserManager::UserSessionStateObserver,
       public chromeos::UserAddingScreen::Observer {
  public:
   SessionStateDelegateChromeos();
   ~SessionStateDelegateChromeos() override;
 
   // ash::SessionStateDelegate:
   int GetMaximumNumberOfLoggedInUsers() const override;
   int NumberOfLoggedInUsers() const override;
-  bool CanAddUserToMultiProfile(AddUserError* error) const override;
+  ash::AddUserSessionPolicy GetAddUserSessionPolicy() const override;
   bool IsActiveUserSessionStarted() const override;
   bool CanLockScreen() const override;
   bool IsScreenLocked() const override;
   bool ShouldLockScreenAutomatically() const override;
   void LockScreen() override;
   void UnlockScreen() override;
   bool IsUserSessionBlocked() const override;
   session_manager::SessionState GetSessionState() const override;
   const user_manager::UserInfo* GetUserInfo(
       ash::UserIndex index) const override;
@@ skipping 32 matching lines @@
   // List of observers is only used on Chrome OS for now.
   base::ObserverList<ash::SessionStateObserver> session_state_observer_list_;
 
   // Session state (e.g. login screen vs. user session).
   session_manager::SessionState session_state_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionStateDelegateChromeos);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_SESSION_STATE_DELEGATE_CHROMEOS_H_