Remove include only fwl.h and IWYU.

xfa/src/fwl/src/basewidget/fwl_barcodeimp.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/src/fwl/src/basewidget/include/fwl_barcodeimp.h"
+
+#include "xfa/include/fwl/core/fwl_theme.h"
 #include "xfa/src/foxitlib.h"
-#include "xfa/src/fwl/src/basewidget/include/fwl_barcodeimp.h"
 #include "xfa/src/fwl/src/basewidget/include/fwl_editimp.h"
 #include "xfa/src/fwl/src/core/include/fwl_noteimp.h"
 #include "xfa/src/fwl/src/core/include/fwl_targetimp.h"
 #include "xfa/src/fwl/src/core/include/fwl_widgetimp.h"
 
 // static
 IFWL_Barcode* IFWL_Barcode::Create(const CFWL_WidgetImpProperties& properties) {
   IFWL_Barcode* pBarcode = new IFWL_Barcode;
   CFWL_BarcodeImp* pBarcodeImpl = new CFWL_BarcodeImp(properties, nullptr);
   pBarcode->SetImpl(pBarcodeImpl);
@@ skipping 192 matching lines @@
     : CFWL_EditImpDelegate(pOwner) {}
 FWL_ERR CFWL_BarcodeImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
   FX_DWORD dwFlag = pEvent->GetClassID();
   if (dwFlag == FWL_EVTHASH_EDT_TextChanged) {
     CFWL_BarcodeImp* pOwner = static_cast<CFWL_BarcodeImp*>(m_pOwner);
     pOwner->ReleaseBarcodeEngine();
     pOwner->m_dwStatus = XFA_BCS_NeedUpdate;
   }
   return CFWL_EditImpDelegate::OnProcessEvent(pEvent);
 }