Cleanup widget edge related code

xfa/fwl/theme/cfwl_monthcalendartp.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 "xfa/fwl/theme/cfwl_monthcalendartp.h"
 
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fwl/cfwl_monthcalendar.h"
@@ skipping 50 matching lines @@
 
 void CFWL_MonthCalendarTP::DrawBackground(CFWL_ThemeBackground* pParams) {
   if (!pParams)
     return;
 
   switch (pParams->m_iPart) {
     case CFWL_Part::Border: {
       DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
       break;
     }
-    case CFWL_Part::Edge: {
-      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
-               &pParams->m_rtPart, &pParams->m_matrix);
-      break;
-    }
     case CFWL_Part::Background: {
       DrawTotalBK(pParams, &pParams->m_matrix);
       break;
     }
     case CFWL_Part::Header: {
       DrawHeadBk(pParams, &pParams->m_matrix);
       break;
     }
     case CFWL_Part::LBtn: {
       FWLTHEME_STATE eState = GetState(pParams->m_dwStates);
@@ skipping 456 matching lines @@
 
 void CFWL_MonthCalendarTP::SetThemeData() {
   m_pThemeData->clrCaption = ArgbEncode(0xff, 0, 153, 255);
   m_pThemeData->clrSeperator = ArgbEncode(0xff, 141, 161, 239);
   m_pThemeData->clrDatesHoverBK = ArgbEncode(0xff, 193, 211, 251);
   m_pThemeData->clrDatesSelectedBK = ArgbEncode(0xff, 173, 188, 239);
   m_pThemeData->clrDatesCircle = ArgbEncode(0xff, 103, 144, 209);
   m_pThemeData->clrToday = ArgbEncode(0xff, 0, 0, 0);
   m_pThemeData->clrBK = ArgbEncode(0xff, 255, 255, 255);
 }