ui: Remove TouchStatus in favour of EventResult.

ash/wm/user_activity_detector.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_USER_ACTIVITY_DETECTOR_H_
 #define ASH_WM_USER_ACTIVITY_DETECTOR_H_
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 23 matching lines @@
   // Called when chrome has received a request to turn of all displays.
   void OnAllOutputsTurnedOff();
 
   // aura::EventFilter implementation.
   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:
   // Notifies observers if enough time has passed since the last notification.
   void MaybeNotify();
 
@@ skipping 10 matching lines @@
   // avoid mis-detecting a mouse enter event that occurs when turning
   // off display as a user activity.
   bool ignore_next_mouse_event_;
 
   DISALLOW_COPY_AND_ASSIGN(UserActivityDetector);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_USER_ACTIVITY_DETECTOR_H_