Make code compile with clang_use_chrome_plugin (part VI)

xfa/fwl/basewidget/ifwl_spinbutton.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FWL_BASEWIDGET_IFWL_SPINBUTTON_H_
 #define XFA_FWL_BASEWIDGET_IFWL_SPINBUTTON_H_
 
+#include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fxfa/include/cxfa_eventparam.h"
 
 #define FWL_CLASS_SpinButton L"FWL_SPINBUTTON"
 #define FWL_STYLEEXE_SPB_Vert (1L << 0)
 
-BEGIN_FWL_EVENT_DEF(CFWL_EvtSpbClick, CFWL_EventType::Click)
-FX_BOOL m_bUp;
-END_FWL_EVENT_DEF
+FWL_EVENT_DEF(CFWL_EvtSpbClick, CFWL_EventType::Click, FX_BOOL m_bUp;)
+FWL_EVENT_FUNCTION_DEF(CFWL_EvtSpbClick, CFWL_EventType::Click)
 
 class IFWL_SpinButton : public IFWL_Widget {
  public:
   static IFWL_SpinButton* Create(const CFWL_WidgetImpProperties& properties,
                                  IFWL_Widget* pOuter);
 
   FWL_Error EnableButton(FX_BOOL bEnable, FX_BOOL bUp = TRUE);
   FX_BOOL IsButtonEnable(FX_BOOL bUp = TRUE);
 
  protected:
   IFWL_SpinButton();
 };
 
 #endif  // XFA_FWL_BASEWIDGET_IFWL_SPINBUTTON_H_