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

ui/aura_shell/modality_event_filter.h

Index: ui/aura_shell/modality_event_filter.h
===================================================================
--- ui/aura_shell/modality_event_filter.h	(revision 115643)
+++ ui/aura_shell/modality_event_filter.h	(working copy)
@@ -1,42 +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_H_
-#define UI_AURA_SHELL_MODALITY_EVENT_FILTER_H_
-#pragma once
-
-#include "base/compiler_specific.h"
-#include "ui/aura/event_filter.h"
-#include "ui/aura_shell/aura_shell_export.h"
-
-namespace aura_shell {
-namespace internal {
-
-class ModalityEventFilterDelegate;
-
-class AURA_SHELL_EXPORT ModalityEventFilter : public aura::EventFilter {
- public:
-  ModalityEventFilter(aura::Window* container,
-                      ModalityEventFilterDelegate* delegate);
-  virtual ~ModalityEventFilter();
-
-  // Overridden from aura::EventFilter:
-  virtual bool PreHandleKeyEvent(aura::Window* target,
-                                 aura::KeyEvent* event) OVERRIDE;
-  virtual bool PreHandleMouseEvent(aura::Window* target,
-                                   aura::MouseEvent* event) OVERRIDE;
-  virtual ui::TouchStatus PreHandleTouchEvent(
-      aura::Window* target,
-      aura::TouchEvent* event) OVERRIDE;
-
- private:
-  ModalityEventFilterDelegate* delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(ModalityEventFilter);
-};
-
-}  // namespace internal
-}  // namespace aura_shell
-
-#endif  // UI_AURA_SHELL_MODALITY_EVENT_FILTER_H_