Move the IFWL_Edit Events out of ifwl_edit.h

xfa/fwl/core/cfwl_evtvalidate.h

 // Copyright 2016 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_CORE_CFWL_EVTKILLFOCUS_H_
-#define XFA_FWL_CORE_CFWL_EVTKILLFOCUS_H_
+#ifndef XFA_FWL_CORE_CFWL_EVTVALIDATE_H_
+#define XFA_FWL_CORE_CFWL_EVTVALIDATE_H_
 
 #include "xfa/fwl/core/cfwl_event.h"
 
-class CFWL_EvtKillFocus : public CFWL_Event {
+class CFWL_EvtValidate : public CFWL_Event {
  public:
-  CFWL_EvtKillFocus();
-  ~CFWL_EvtKillFocus() override;
+  CFWL_EvtValidate();
+  ~CFWL_EvtValidate() override;
 
   CFWL_EventType GetClassID() const override;
 
-  IFWL_Widget* m_pKillFocus;
+  IFWL_Widget* pDstWidget;
+  CFX_WideString wsInsert;
+  bool bValidate;
 };
 
-#endif  // XFA_FWL_CORE_CFWL_EVTKILLFOCUS_H_
+#endif  // XFA_FWL_CORE_CFWL_EVTVALIDATE_H_