Use FXFONT defines in place of integers.

fpdfsdk/pdfwindow/PWL_Edit.cpp

 // 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
 
 #include "fpdfsdk/pdfwindow/PWL_Edit.h"
 
 #include <vector>
 
@@ skipping 446 matching lines @@
 
   m_bFocus = TRUE;
 }
 
 void CPWL_Edit::OnKillFocus() {
   ShowVScrollBar(FALSE);
 
   m_pEdit->SelectNone();
   SetCaret(FALSE, CFX_FloatPoint(0.0f, 0.0f), CFX_FloatPoint(0.0f, 0.0f));
 
-  SetCharSet(0);
+  SetCharSet(FXFONT_ANSI_CHARSET);
 
   if (!IsReadOnly()) {
     if (IPWL_FocusHandler* pFocusHandler = GetFocusHandler())
       pFocusHandler->OnKillFocus(this);
   }
 
   m_bFocus = FALSE;
 }
 
 void CPWL_Edit::SetHorzScale(int32_t nHorzScale, FX_BOOL bPaint /* = TRUE*/) {
@@ skipping 466 matching lines @@
 }
 
 void CPWL_Edit::GeneratePageObjects(CPDF_PageObjectHolder* pObjectHolder,
                                     const CFX_FloatPoint& ptOffset) {
   CFX_ArrayTemplate<CPDF_TextObject*> ObjArray;
   IFX_Edit::GeneratePageObjects(
       pObjectHolder, m_pEdit, ptOffset, nullptr,
       CPWL_Utils::PWLColorToFXColor(GetTextColor(), GetTransparency()),
       ObjArray);
 }