Cleanup FWL Event and Message code.

xfa/fwl/core/cfwl_edit.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_CORE_CFWL_EDIT_H_
 #define XFA_FWL_CORE_CFWL_EDIT_H_
 
 #include <deque>
@@ skipping 148 matching lines @@
                         FX_FLOAT fOffSetX,
                         FX_FLOAT fOffSetY);
   void DoButtonDown(CFWL_MsgMouse* pMsg);
   void OnFocusChanged(CFWL_Message* pMsg, bool bSet);
   void OnLButtonDown(CFWL_MsgMouse* pMsg);
   void OnLButtonUp(CFWL_MsgMouse* pMsg);
   void OnButtonDblClk(CFWL_MsgMouse* pMsg);
   void OnMouseMove(CFWL_MsgMouse* pMsg);
   void OnKeyDown(CFWL_MsgKey* pMsg);
   void OnChar(CFWL_MsgKey* pMsg);
-  bool OnScroll(CFWL_ScrollBar* pScrollBar, FWL_SCBCODE dwCode, FX_FLOAT fPos);
+  bool OnScroll(CFWL_ScrollBar* pScrollBar,
+                CFWL_EvtScroll::Code dwCode,
+                FX_FLOAT fPos);
 
   CFX_RectF m_rtClient;
   CFX_RectF m_rtEngine;
   CFX_RectF m_rtStatic;
   FX_FLOAT m_fVAlignOffset;
   FX_FLOAT m_fScrollOffsetX;
   FX_FLOAT m_fScrollOffsetY;
   CFDE_TxtEdtEngine m_EdtEngine;
   bool m_bLButtonDown;
   int32_t m_nSelStart;
   int32_t m_nLimit;
   FX_FLOAT m_fFontSize;
   bool m_bSetRange;
   int32_t m_iMax;
   std::unique_ptr<CFWL_ScrollBar> m_pVertScrollBar;
   std::unique_ptr<CFWL_ScrollBar> m_pHorzScrollBar;
   std::unique_ptr<CFWL_Caret> m_pCaret;
   CFX_WideString m_wsCache;
   CFX_WideString m_wsFont;
   std::deque<std::unique_ptr<IFDE_TxtEdtDoRecord>> m_DoRecords;
   int32_t m_iCurRecord;
   int32_t m_iMaxRecord;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_EDIT_H_