events: Move some files into ui/base/events/

ui/aura/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 UI_AURA_EVENT_FILTER_H_
 #define UI_AURA_EVENT_FILTER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/aura/aura_export.h"
+#include "ui/base/events/event_constants.h"
 #include "ui/base/events/event_handler.h"
-#include "ui/base/events.h"
 
 namespace ui {
 class GestureEvent;
 class KeyEvent;
 class MouseEvent;
 class TouchEvent;
 }
 
 namespace aura {
 
@@ skipping 47 matching lines @@
                                         ui::ScrollEvent* event) OVERRIDE;
   virtual ui::TouchStatus OnTouchEvent(ui::EventTarget* target,
                                        ui::TouchEvent* event) OVERRIDE;
   virtual ui::EventResult OnGestureEvent(ui::EventTarget* target,
                                          ui::GestureEvent* e) OVERRIDE;
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_EVENT_FILTER_H_