CleanUp: Introduce UserInfo. Move session_state stuff to ash/session.

ash/system/user/config.cc

 // 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.
 
 #include "ash/system/user/config.h"
 
-#include "ash/session_state_delegate.h"
+#include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 
 namespace ash {
 namespace tray {
 
 namespace {
 
 // Returns true if session is blocked by e.g. the login screen.
 bool IsUserSessionBlocked() {
   return Shell::GetInstance()
              ->session_state_delegate()
              ->IsUserSessionBlocked();
 }
 
 }  // namespace
 
 bool IsMultiProfileSupportedAndUserActive() {
   return Shell::GetInstance()->delegate()->IsMultiProfilesEnabled() &&
          !IsUserSessionBlocked();
 }
 
 bool IsMultiAccountSupportedAndUserActive() {
   return Shell::GetInstance()->delegate()->IsMultiAccountEnabled() &&
          !IsUserSessionBlocked();
 }
 
 }  // namespace tray
 }  // namespace ash