Remove retail mode.

ash/system/chromeos/tray_display.cc

 // Copyright (c) 2012 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/chromeos/tray_display.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/system/system_notifier.h"
@@ skipping 100 matching lines @@
   // switch is intentionally introduced without default, to cause an error when
   // a new type of login status is introduced.
   switch (Shell::GetInstance()->system_tray_delegate()->GetUserLoginStatus()) {
     case user::LOGGED_IN_NONE:
     case user::LOGGED_IN_LOCKED:
       return;
 
     case user::LOGGED_IN_USER:
     case user::LOGGED_IN_OWNER:
     case user::LOGGED_IN_GUEST:
-    case user::LOGGED_IN_RETAIL_MODE:
     case user::LOGGED_IN_PUBLIC:
     case user::LOGGED_IN_SUPERVISED:
     case user::LOGGED_IN_KIOSK_APP:
       ash::SystemTrayDelegate* delegate =
           Shell::GetInstance()->system_tray_delegate();
       if (delegate->ShouldShowSettings())
         delegate->ShowDisplaySettings();
   }
 }
 
@@ skipping 309 matching lines @@
 bool TrayDisplay::GetAccessibleStateForTesting(ui::AXViewState* state) {
   views::View* view = default_;
   if (view) {
     view->GetAccessibleState(state);
     return true;
   }
   return false;
 }
 
 }  // namespace ash