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

ui/views/controls/button/custom_button.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_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_
 
 #include "ui/base/animation/animation_delegate.h"
-#include "ui/base/events.h"
+#include "ui/base/events/event_constants.h"
 #include "ui/views/controls/button/button.h"
 
 namespace ui {
 class ThrobAnimation;
 }
 
 namespace views {
 
 // A button with custom rendering. The common base class of ImageButton and
 // TextButton.
@@ skipping 121 matching lines @@
 
   // See description above setter.
   bool request_focus_on_press_;
 
   DISALLOW_COPY_AND_ASSIGN(CustomButton);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_CUSTOM_BUTTON_H_