Remove xfa/src/fwl/src and move code up a level.

xfa/src/fwl/src/lightwidget/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/include/fwl/lightwidget/barcode.h"
-
-#include <memory>
-
-CFWL_Barcode* CFWL_Barcode::Create() {
-  return new CFWL_Barcode;
-}
-FWL_ERR CFWL_Barcode::Initialize(const CFWL_WidgetProperties* pProperties) {
-  if (m_pIface)
-    return FWL_ERR_Indefinite;
-  if (pProperties) {
-    *m_pProperties = *pProperties;
-  }
-  std::unique_ptr<IFWL_Barcode> pBarcode(IFWL_Barcode::Create(
-      m_pProperties->MakeWidgetImpProperties(&m_barcodeData)));
-  FWL_ERR ret = pBarcode->Initialize();
-  if (ret != FWL_ERR_Succeeded) {
-    return ret;
-  }
-  m_pIface = pBarcode.release();
-  CFWL_Widget::Initialize();
-  return FWL_ERR_Succeeded;
-}
-CFWL_Barcode::CFWL_Barcode() {}
-CFWL_Barcode::~CFWL_Barcode() {}
-void CFWL_Barcode::SetType(BC_TYPE type) {
-  if (!m_pIface)
-    return;
-  static_cast<IFWL_Barcode*>(m_pIface)->SetType(type);
-}
-FX_BOOL CFWL_Barcode::IsProtectedType() {
-  if (!m_pIface)
-    return 0;
-  return static_cast<IFWL_Barcode*>(m_pIface)->IsProtectedType();
-}
-FWL_ERR CFWL_Barcode::CFWL_BarcodeDP::GetCaption(IFWL_Widget* pWidget,
-                                                 CFX_WideString& wsCaption) {
-  return FWL_ERR_Succeeded;
-}