Revert of Updates the IME list when the IME has refreshed.

ash/common/system/chromeos/ime_menu/ime_menu_tray.h

 // Copyright 2016 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.
 
 #ifndef ASH_COMMON_SYSTEM_CHROMEOS_IME_MENU_IME_MENU_TRAY_H_
 #define ASH_COMMON_SYSTEM_CHROMEOS_IME_MENU_IME_MENU_TRAY_H_
 
 #include "ash/ash_export.h"
 #include "ash/common/system/ime/ime_observer.h"
 #include "ash/common/system/tray/ime_info.h"
 #include "ash/common/system/tray/tray_background_view.h"
 #include "ash/common/system/tray/tray_bubble_wrapper.h"
 #include "base/macros.h"
 #include "ui/views/bubble/tray_bubble_view.h"
 
 namespace views {
 class Label;
 }  // namespace views
 
 namespace ash {
-class ImeListView;
 class StatusAreaWidget;
 class WmWindow;
 
 // The tray item for IME menu, which shows the detailed view of a null single
 // item.
 class ASH_EXPORT ImeMenuTray : public TrayBackgroundView,
                                public IMEObserver,
                                public views::TrayBubbleView::Delegate {
  public:
   explicit ImeMenuTray(WmShelf* wm_shelf);
@@ skipping 32 matching lines @@
   void UpdateTrayLabel();
 
   // Shows the IME menu bubble and highlights the button.
   void ShowImeMenuBubble();
 
   // Hides the IME menu bubble and lowlights the button.
   void HideImeMenuBubble();
 
   // Bubble for default and detailed views.
   std::unique_ptr<TrayBubbleWrapper> bubble_;
-  ImeListView* ime_list_view_;
 
   views::Label* label_;
   IMEInfo current_ime_;
 
   DISALLOW_COPY_AND_ASSIGN(ImeMenuTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_CHROMEOS_IME_MENU_IME_MENU_TRAY_H_