Convert border style defines to an enum class.

fpdfsdk/pdfwindow/PWL_EditCtrl.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_EditCtrl.h"
 
 #include "core/fpdfdoc/include/cpvt_section.h"
 #include "core/fpdfdoc/include/cpvt_word.h"
@@ skipping 110 matching lines @@
   if (m_pEditCaret)
     return;
 
   m_pEditCaret = new CPWL_Caret;
   m_pEditCaret->SetInvalidRect(GetClientRect());
 
   PWL_CREATEPARAM ecp = cp;
   ecp.pParentWnd = this;
   ecp.dwFlags = PWS_CHILD | PWS_NOREFRESHCLIP;
   ecp.dwBorderWidth = 0;
-  ecp.nBorderStyle = PBS_SOLID;
+  ecp.nBorderStyle = BorderStyle::SOLID;
   ecp.rcRectWnd = CFX_FloatRect(0, 0, 0, 0);
 
   m_pEditCaret->Create(ecp);
 }
 
 void CPWL_EditCtrl::SetFontSize(FX_FLOAT fFontSize) {
   m_pEdit->SetFontSize(fFontSize);
 }
 
 FX_FLOAT CPWL_EditCtrl::GetFontSize() const {
@@ skipping 458 matching lines @@
   CPVT_WordPlace wpEnd = m_pEdit->WordIndexToWordPlace(nEndChar);
   return m_pEdit->GetRangeText(CPVT_WordRange(wpStart, wpEnd));
 }
 
 void CPWL_EditCtrl::SetReadyToInput() {
   if (m_bMouseDown) {
     ReleaseCapture();
     m_bMouseDown = FALSE;
   }
 }