Remove retail mode.

ash/system/user/tray_user.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/user/tray_user.h"
 
 #include "ash/ash_switches.h"
 #include "ash/root_window_controller.h"
 #include "ash/session/session_state_delegate.h"
 #include "ash/shelf/shelf_layout_manager.h"
@@ skipping 136 matching lines @@
     case user::LOGGED_IN_PUBLIC:
       need_avatar = true;
       break;
     case user::LOGGED_IN_SUPERVISED:
       need_avatar = true;
       need_label = true;
       break;
     case user::LOGGED_IN_GUEST:
       need_label = true;
       break;
-    case user::LOGGED_IN_RETAIL_MODE:
     case user::LOGGED_IN_KIOSK_APP:
     case user::LOGGED_IN_NONE:
       break;
   }
 
   if ((need_avatar != (avatar_ != NULL)) ||
       (need_label != (label_ != NULL))) {
     layout_view_->RemoveAllChildViews(true);
     if (need_label) {
       label_ = new views::Label;
@@ skipping 126 matching lines @@
 void TrayUser::UpdateLayoutOfItem() {
   RootWindowController* controller = GetRootWindowController(
       system_tray()->GetWidget()->GetNativeWindow()->GetRootWindow());
   if (controller && controller->shelf()) {
     UpdateAfterShelfAlignmentChange(
         controller->GetShelfLayoutManager()->GetAlignment());
   }
 }
 
 }  // namespace ash