Split CFWL_Widget::GetWidgetRect into two parts

xfa/fwl/core/cfwl_combobox.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/core/cfwl_combobox.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 76 matching lines @@
   }
   if (!m_pProperties->m_pThemeProvider)
     ResetTheme();
 
   FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>(
       GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
   if (!pFWidth)
     return;
 
   rect.Inflate(0, 0, *pFWidth, 0);
-  CFWL_Widget::GetWidgetRect(rect, true);
+  InflateWidgetRect(rect);
 }
 
 void CFWL_ComboBox::AddString(const CFX_WideStringC& wsText) {
   m_pListBox->AddString(wsText);
 }
 
 bool CFWL_ComboBox::RemoveAt(int32_t iIndex) {
   return m_pListBox->RemoveAt(iIndex);
 }
 
@@ skipping 991 matching lines @@
       else
         iCurSel++;
     }
     m_iCurSel = iCurSel;
     SyncEditText(m_iCurSel);
     return;
   }
   if (m_pEdit)
     m_pEdit->GetDelegate()->OnProcessMessage(pMsg);
 }