New user type introduced. Combines regular and supervised features.

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

 // Copyright 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/system_tray_delegate_chromeos.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 535 matching lines @@
     chrome::ShowSingletonTab(displayer.browser(),
                              GURL(chrome::kLearnMoreEnterpriseURL));
   }
 }
 
 void SystemTrayDelegateChromeOS::ShowUserLogin() {
   ash::Shell* shell = ash::Shell::GetInstance();
   if (!shell->delegate()->IsMultiProfilesEnabled())
     return;
 
-  // Only regular users could add other users to current session.
+  // Only regular non-supervised users could add other users to current session.
   if (user_manager::UserManager::Get()->GetActiveUser()->GetType() !=
       user_manager::USER_TYPE_REGULAR) {
     return;
   }
 
   if (static_cast<int>(
           user_manager::UserManager::Get()->GetLoggedInUsers().size()) >=
       shell->session_state_delegate()->GetMaximumNumberOfLoggedInUsers())
     return;
 
@@ skipping 744 matching lines @@
     accessibility_subscription_.reset();
   else
     OnAccessibilityModeChanged(details.notify);
 }
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate() {
   return new SystemTrayDelegateChromeOS();
 }
 
 }  // namespace chromeos