IFWL method and param cleanup

xfa/fwl/core/cfwl_combobox.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_COMBOBOX_H_
 #define XFA_FWL_CORE_CFWL_COMBOBOX_H_
 
 #include <memory>
@@ skipping 19 matching lines @@
   FWL_Error SetCurSel(int32_t iSel);
   void SetEditText(const CFX_WideString& wsText);
   int32_t GetEditTextLength() const;
   FWL_Error GetEditText(CFX_WideString& wsText,
                         int32_t nStart = 0,
                         int32_t nCount = -1) const;
   FWL_Error SetEditSelRange(int32_t nStart, int32_t nCount = -1);
   int32_t GetEditSelRange(int32_t nIndex, int32_t& nStart);
   int32_t GetEditLimit();
   FWL_Error SetEditLimit(int32_t nLimit);
-  FWL_Error EditDoClipboard(int32_t iCmd);
   bool EditRedo(const IFDE_TxtEdtDoRecord* pRecord);
   bool EditUndo(const IFDE_TxtEdtDoRecord* pRecord);
   FWL_Error SetMaxListHeight(FX_FLOAT fMaxHeight);
   FWL_Error SetItemData(int32_t iIndex, void* pData);
   void* GetItemData(int32_t iIndex);
   void SetListTheme(IFWL_ThemeProvider* pTheme);
   bool AfterFocusShowDropList();
   FWL_Error OpenDropDownList(bool bActivate);
 
   bool EditCanUndo();
@@ skipping 59 matching lines @@
   // IFWL_ComboBoxDP
   FX_FLOAT GetListHeight(IFWL_Widget* pWidget) override;
 
  private:
   std::vector<std::unique_ptr<CFWL_ListItem>> m_ItemArray;
   FX_FLOAT m_fMaxListHeight;
   FX_FLOAT m_fItemHeight;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_COMBOBOX_H_