cros: Change max users to be a constant

chrome/browser/ui/ash/session_state_delegate_chromeos.cc

 // 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.
 
 #include "chrome/browser/ui/ash/session_state_delegate_chromeos.h"
 
 #include "ash/common/session/session_state_observer.h"
 #include "ash/common/wm_window.h"
 #include "ash/content/shell_content_state.h"
 #include "base/bind.h"
@@ skipping 48 matching lines @@
   if (chromeos::LoginState::IsInitialized())
     chromeos::LoginState::Get()->RemoveObserver(this);
 }
 
 int SessionStateDelegateChromeos::GetMaximumNumberOfLoggedInUsers() const {
   // We limit list of logged in users to 10 due to memory constraints.
   // Note that 10 seems excessive, but we want to test how many users are
   // actually added to a session.
   // TODO(nkostylev): Adjust this limitation based on device capabilites.
   // http://crbug.com/230865
-  return 10;
+  return session_manager::kMaxmiumNumberOfUserSessions;
 }
 
 int SessionStateDelegateChromeos::NumberOfLoggedInUsers() const {
   return user_manager::UserManager::Get()->GetLoggedInUsers().size();
 }
 
 ash::AddUserSessionPolicy
 SessionStateDelegateChromeos::GetAddUserSessionPolicy() const {
   return SessionControllerClient::GetAddUserSessionPolicy();
 }
@@ skipping 117 matching lines @@
     return;
 
   session_state_ = new_state;
   NotifySessionStateChanged();
 }
 
 void SessionStateDelegateChromeos::NotifySessionStateChanged() {
   for (ash::SessionStateObserver& observer : session_state_observer_list_)
     observer.SessionStateChanged(session_state_);
 }