Move some more WM functionality down into ash.

ash/wm/default_container_event_filter.h

 // 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_DEFAULT_CONTAINER_EVENT_FILTER_H_
-#define UI_AURA_SHELL_DEFAULT_CONTAINER_EVENT_FILTER_H_
+#ifndef ASH_WM_DEFAULT_CONTAINER_EVENT_FILTER_H_
+#define ASH_WM_DEFAULT_CONTAINER_EVENT_FILTER_H_
 #pragma once
 
-#include "ui/aura_shell/toplevel_window_event_filter.h"
+#include "ash/wm/toplevel_window_event_filter.h"
 
 namespace aura {
 class MouseEvent;
 class Window;
 }
 
 namespace aura_shell {
 namespace internal {
 
 class DefaultContainerEventFilter : public ToplevelWindowEventFilter {
@@ skipping 25 matching lines @@
   DragState drag_state_;
   // Top-level window under the mouse cursor.
   aura::Window* hovered_window_;
 
   DISALLOW_COPY_AND_ASSIGN(DefaultContainerEventFilter);
 };
 
 }  // namespace internal
 }  // namespace aura_shell
 
-#endif  //  UI_AURA_SHELL_DEFAULT_CONTAINER_EVENT_FILTER_H_
+#endif  //  ASH_WM_DEFAULT_CONTAINER_EVENT_FILTER_H_