ui: Remove TouchStatus in favour of EventResult.

ash/wm/system_modal_container_event_filter.h

 // 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.
 
 #ifndef ASH_WM_SYSTEM_MODAL_CONTAINER_EVENT_FILTER_H_
 #define ASH_WM_SYSTEM_MODAL_CONTAINER_EVENT_FILTER_H_
 
 #include "base/compiler_specific.h"
 #include "ui/aura/event_filter.h"
 #include "ash/ash_export.h"
 
 namespace ash {
 namespace internal {
 
 class SystemModalContainerEventFilterDelegate;
 
 class ASH_EXPORT SystemModalContainerEventFilter : public aura::EventFilter {
  public:
   explicit SystemModalContainerEventFilter(
       SystemModalContainerEventFilterDelegate* delegate);
   virtual ~SystemModalContainerEventFilter();
 
   // Overridden from aura::EventFilter:
   virtual bool PreHandleKeyEvent(aura::Window* target,
                                  ui::KeyEvent* event) OVERRIDE;
   virtual bool PreHandleMouseEvent(aura::Window* target,
                                    ui::MouseEvent* event) OVERRIDE;
-  virtual ui::TouchStatus PreHandleTouchEvent(
+  virtual ui::EventResult PreHandleTouchEvent(
       aura::Window* target,
       ui::TouchEvent* event) OVERRIDE;
   virtual ui::EventResult PreHandleGestureEvent(
       aura::Window* target,
       ui::GestureEvent* event) OVERRIDE;
 
  private:
   SystemModalContainerEventFilterDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemModalContainerEventFilter);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_SYSTEM_MODAL_CONTAINER_EVENT_FILTER_H_