Move root_window.* to window_event_dispatcher.*

ash/system/logout_button/logout_confirmation_dialog_view.cc

 // Copyright 2014 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/logout_button/logout_confirmation_dialog_view.h"
 
 #include "ash/shell.h"
 #include "ash/system/logout_button/logout_button_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
 #include "base/location.h"
 #include "grit/ash_strings.h"
-#include "ui/aura/root_window.h"
+#include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/time_format.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/gfx/text_constants.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
@@ skipping 104 matching lines @@
   } else {
     text_label_->SetText(l10n_util::GetStringUTF16(
         IDS_ASH_LOGOUT_CONFIRMATION_WARNING_NOW));
     timer_.Stop();
     LogoutCurrentUser();
   }
 }
 
 }  // namespace internal
 }  // namespace ash