Remove unused FWL flags

xfa/fee/ifde_txtedtengine.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_FEE_IFDE_TXTEDTENGINE_H_
 #define XFA_FEE_IFDE_TXTEDTENGINE_H_
 
 #include "core/fxge/include/fx_dib.h"
 #include "xfa/fgas/font/fgas_font.h"
 
 class IFDE_TxtEdtPage;
 class IFDE_TxtEdtEngine;
 class IFDE_TxtEdtEventSink;
 class IFDE_TxtEdtParag;
 
 typedef struct FDE_HTXTEDTFIND_ { void* pData; } * FDE_HTXTEDTFIND;
 
-#define FDE_TXTEDT_FIND_FLAGS_Prev (0L << 0)
-#define FDE_TXTEDT_FIND_FLAGS_Next (1L << 0)
-#define FDE_TXTEDT_FIND_FLAGS_WholeWord (1L << 1)
-#define FDE_TXTEDT_FIND_FLAGS_NoCase (1L << 2)
-
 #define FDE_TEXTEDITMODE_MultiLines (1L << 0)
 #define FDE_TEXTEDITMODE_AutoLineWrap (1L << 1)
 #define FDE_TEXTEDITMODE_ReadOnly (1L << 2)
 #define FDE_TEXTEDITMODE_LimitArea_Vert (1L << 3)
 #define FDE_TEXTEDITMODE_LimitArea_Horz (1L << 4)
 #define FDE_TEXTEDITMODE_NoRedoUndo (1L << 5)
 #define FDE_TEXTEDITMODE_FIELD_TAB (1L << 6)
 #define FDE_TEXTEDITMODE_FIELD_AUTO (1L << 7)
 #define FDE_TEXTEDITMODE_Validate (1L << 8)
 #define FDE_TEXTEDITMODE_Password (1L << 9)
@@ skipping 214 matching lines @@
   virtual ~IFDE_TxtEdtParag() {}
   virtual int32_t GetTextLength() const = 0;
   virtual int32_t GetStartIndex() const = 0;
   virtual int32_t CountLines() const = 0;
   virtual void GetLineRange(int32_t nLineIndex,
                             int32_t& nStart,
                             int32_t& nCount) const = 0;
 };
 
 #endif  // XFA_FEE_IFDE_TXTEDTENGINE_H_