Attempt to fix some -Woverloaded-virtual warnings.

fpdfsdk/src/pdfwindow/PWL_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 "../../include/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_EditCtrl.h"
 #include "../../include/pdfwindow/PWL_Edit.h"
@@ skipping 29 matching lines @@
                 
                         FX_BOOL bExit = FALSE;
                         OnNotifySelChanged(FALSE,bExit, nFlag);
                         if (bExit) return FALSE;
                 }
         }
 
         return TRUE;
 }
 
-FX_BOOL CPWL_CBListBox::OnKeyDown(FX_WORD nChar, FX_BOOL & bExit, FX_DWORD nFlag)
+FX_BOOL CPWL_CBListBox::OnKeyDownWithExit(FX_WORD nChar, FX_BOOL & bExit, FX_DWORD nFlag)
 {
         if (!m_pList) return FALSE;
 
         switch (nChar)
         {
         default:
                 return FALSE;
         case FWL_VKEY_Up:
         case FWL_VKEY_Down:
         case FWL_VKEY_Home:
@@ skipping 25 matching lines @@
                 break;
         case FWL_VKEY_Delete:
                 break;
         }
 
         OnNotifySelChanged(TRUE,bExit, nFlag);
 
         return TRUE;
 }
 
-FX_BOOL CPWL_CBListBox::OnChar(FX_WORD nChar, FX_BOOL & bExit, FX_DWORD nFlag)
+FX_BOOL CPWL_CBListBox::OnCharWithExit(FX_WORD nChar, FX_BOOL & bExit, FX_DWORD nFlag)
 {
         if (!m_pList) return FALSE;
 
         if (!m_pList->OnChar(nChar,IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag))) return FALSE;
 
         if (CPWL_ComboBox* pComboBox = (CPWL_ComboBox*)GetParentWindow())
         {
                 pComboBox->SetSelectText();
         }
 
@@ skipping 438 matching lines @@
         if (!m_pEdit) return FALSE;
 
         m_nSelectItem = -1;
 
         switch (nChar)
         {
         case FWL_VKEY_Up:
                 if (m_pList->GetCurSel() > 0)
                 {
                         FX_BOOL bExit = FALSE;
-                        if (m_pList->OnKeyDown(nChar,bExit,nFlag))
+                        if (m_pList->OnKeyDownWithExit(nChar,bExit,nFlag))
                         {
                                 if (bExit) return FALSE;
                                 SetSelectText();                                
                         }
                 }
                 return TRUE;
         case FWL_VKEY_Down:
                 if (m_pList->GetCurSel() < m_pList->GetCount() - 1)
                 {
                         FX_BOOL bExit = FALSE;
-                        if (m_pList->OnKeyDown(nChar,bExit,nFlag))
+                        if (m_pList->OnKeyDownWithExit(nChar,bExit,nFlag))
                         {
                                 if (bExit) return FALSE;
                                 SetSelectText();                                
                         }
                 }
                 return TRUE;
         }
 
         if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
                 return m_pEdit->OnKeyDown(nChar,nFlag);
         else
                 return FALSE;
 }
 
 FX_BOOL CPWL_ComboBox::OnChar(FX_WORD nChar, FX_DWORD nFlag)
 {
         if (!m_pList) return FALSE;
         if (!m_pEdit) return FALSE;
 
         m_nSelectItem = -1;
         FX_BOOL bExit = FALSE;
 
         if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
         {
                 return m_pEdit->OnChar(nChar,nFlag);                    
         }
         else
         {
-                if (m_pList->OnChar(nChar,bExit,nFlag))
+                if (m_pList->OnCharWithExit(nChar,bExit,nFlag))
                 {
                         return bExit;
                 }
                 else
                         return FALSE;
         }
 }
 
 void CPWL_ComboBox::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam, FX_INTPTR lParam)
 {
@@ skipping 47 matching lines @@
 {
          m_pFillerNotify = pNotify;
 
          if (m_pEdit)
                  m_pEdit->SetFillerNotify(pNotify);
 
          if (m_pList)
                  m_pList->SetFillerNotify(pNotify);
 }