Cleanup unused methods and return values in FWL code.

xfa/fwl/core/ifwl_barcode.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/ifwl_barcode.h"
 
 #include "xfa/fgas/font/fgas_gefont.h"
 #include "xfa/fwl/core/cfwl_themepart.h"
 #include "xfa/fwl/core/cfx_barcode.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 
 IFWL_Barcode::IFWL_Barcode(const CFWL_WidgetImpProperties& properties)
     : IFWL_Edit(properties, nullptr), m_dwStatus(0), m_type(BC_UNKNOWN) {}
 
 IFWL_Barcode::~IFWL_Barcode() {}
 
-FWL_Error IFWL_Barcode::GetClassName(CFX_WideString& wsClass) const {
-  wsClass = FWL_CLASS_Barcode;
-  return FWL_Error::Succeeded;
-}
-
 FWL_Type IFWL_Barcode::GetClassID() const {
   return FWL_Type::Barcode;
 }
 
 FWL_Error IFWL_Barcode::Initialize() {
   if (!m_pDelegate) {
     m_pDelegate = new CFWL_BarcodeImpDelegate(this);
   }
   if (IFWL_Edit::Initialize() != FWL_Error::Succeeded)
     return FWL_Error::Indefinite;
   return FWL_Error::Succeeded;
 }
-FWL_Error IFWL_Barcode::Finalize() {
+
+void IFWL_Barcode::Finalize() {
   delete m_pDelegate;
   m_pDelegate = nullptr;
   m_pBarcodeEngine.reset();
-  return IFWL_Edit::Finalize();
+  IFWL_Edit::Finalize();
 }
+
 FWL_Error IFWL_Barcode::Update() {
   if (IsLocked()) {
     return FWL_Error::Indefinite;
   }
   FWL_Error ret = IFWL_Edit::Update();
   GenerateBarcodeImageCache();
   return ret;
 }
+
 FWL_Error IFWL_Barcode::DrawWidget(CFX_Graphics* pGraphics,
                                    const CFX_Matrix* pMatrix) {
   if (!pGraphics)
     return FWL_Error::Indefinite;
   if (!m_pProperties->m_pThemeProvider)
     return FWL_Error::Indefinite;
   if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
     GenerateBarcodeImageCache();
     if (!m_pBarcodeEngine || (m_dwStatus & XFA_BCS_EncodeSuccess) == 0) {
       return FWL_Error::Succeeded;
@@ skipping 132 matching lines @@
     : CFWL_EditImpDelegate(pOwner) {}
 
 void CFWL_BarcodeImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
   if (pEvent->GetClassID() == CFWL_EventType::TextChanged) {
     IFWL_Barcode* pOwner = static_cast<IFWL_Barcode*>(m_pOwner);
     pOwner->m_pBarcodeEngine.reset();
     pOwner->m_dwStatus = XFA_BCS_NeedUpdate;
   }
   CFWL_EditImpDelegate::OnProcessEvent(pEvent);
 }