Move some more files into ash... this time seed the window manager dir.

ui/aura_shell/modality_event_filter_delegate.h

Index: ui/aura_shell/modality_event_filter_delegate.h
===================================================================
--- ui/aura_shell/modality_event_filter_delegate.h	(revision 115643)
+++ ui/aura_shell/modality_event_filter_delegate.h	(working copy)
@@ -1,27 +0,0 @@
-// Copyright (c) 2011 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 UI_AURA_SHELL_MODALITY_EVENT_FILTER_DELEGATE_H_
-#define UI_AURA_SHELL_MODALITY_EVENT_FILTER_DELEGATE_H_
-#pragma once
-
-#include "ui/aura_shell/aura_shell_export.h"
-
-namespace aura {
-class Window;
-}
-
-namespace aura_shell {
-namespace internal {
-
-class AURA_SHELL_EXPORT ModalityEventFilterDelegate {
- public:
-  // Returns true if |window| can receive the specified event.
-  virtual bool CanWindowReceiveEvents(aura::Window* window) = 0;
-};
-
-}  // namespace internal
-}  // namespace aura_shell
-
-#endif  // UI_AURA_SHELL_MODALITY_EVENT_FILTER_DELEGATE_H_