Review and cleanup lint warnings.

fpdfsdk/include/fxedit/fx_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 FPDFSDK_INCLUDE_FXEDIT_FX_EDIT_H_
 #define FPDFSDK_INCLUDE_FXEDIT_FX_EDIT_H_
 
 #include "core/include/fpdfapi/fpdf_parser.h"
@@ skipping 524 matching lines @@
 
   virtual void SetScrollPos(const CFX_FloatPoint& point) = 0;
   virtual void ScrollToListItem(int32_t nItemIndex) = 0;
   virtual CFX_FloatRect GetItemRect(int32_t nIndex) const = 0;
   virtual int32_t GetCaret() const = 0;
   virtual int32_t GetSelect() const = 0;
   virtual int32_t GetTopItem() const = 0;
   virtual int32_t GetItemIndex(const CFX_FloatPoint& point) const = 0;
   virtual int32_t GetFirstSelected() const = 0;
 
-  virtual void AddString(const FX_WCHAR* string) = 0;
+  virtual void AddString(const FX_WCHAR* str) = 0;
   virtual void SetTopItem(int32_t nIndex) = 0;
   virtual void Select(int32_t nItemIndex) = 0;
   virtual void SetCaret(int32_t nItemIndex) = 0;
   virtual void Empty() = 0;
   virtual void Cancel() = 0;
   virtual CFX_WideString GetText() const = 0;
 
   virtual void OnMouseDown(const CFX_FloatPoint& point,
                            FX_BOOL bShift,
                            FX_BOOL bCtrl) = 0;
@@ skipping 12 matching lines @@
  protected:
   virtual ~IFX_List() {}
 };
 
 CFX_ByteString GetPDFWordString(IFX_Edit_FontMap* pFontMap,
                                 int32_t nFontIndex,
                                 FX_WORD Word,
                                 FX_WORD SubWord);
 
 #endif  // FPDFSDK_INCLUDE_FXEDIT_FX_EDIT_H_