Prepare SystemTray to support notifications

ash/system/ime/tray_ime.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/ime/tray_ime.h"
 
 #include <vector>
 
 #include "ash/shell.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_item_more.h"
 #include "ash/system/tray/tray_item_view.h"
 #include "ash/system/tray/tray_views.h"
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "grit/ash_strings.h"
 #include "grit/ui_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/image/image.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout.h"
+#include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace internal {
 
 namespace tray {
 
 class IMEDefaultView : public TrayItemMore {
  public:
   explicit IMEDefaultView(SystemTrayItem* owner)
       : TrayItemMore(owner) {
@@ skipping 209 matching lines @@
   UpdateTrayLabel(current, list.size());
 
   if (default_.get())
     default_->UpdateLabel(current);
   if (detailed_.get())
     detailed_->Update(list, property_list);
 }
 
 }  // namespace internal
 }  // namespace ash