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

ui/base/events/event.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_BASE_EVENT_H_
-#define UI_BASE_EVENT_H_
+#ifndef UI_BASE_EVENTS_EVENT_CONSTANTS_EVENT_H_
+#define UI_BASE_EVENTS_EVENT_CONSTANTS_EVENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/event_types.h"
 #include "base/logging.h"
 #include "base/time.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
-#include "ui/base/events.h"
+#include "ui/base/events/event_constants.h"
 #include "ui/base/gestures/gesture_types.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/base/ui_export.h"
 #include "ui/gfx/point.h"
 
 namespace ui {
 class Transform;
 
 class UI_EXPORT Event {
  public:
@@ skipping 569 matching lines @@
   // touch_ids_bitfield_ is the set of touch_ids associate with this gesture.
   // This value is stored as a bitfield because the number of touch ids varies,
   // but we currently don't need more than 32 touches at a time.
   const unsigned int touch_ids_bitfield_;
 
   DISALLOW_COPY_AND_ASSIGN(GestureEvent);
 };
 
 }  // namespace ui
 
-#endif  // UI_BASE_EVENT_H_
+#endif  // UI_BASE_EVENTS_EVENT_CONSTANTS_EVENT_H_