Move xfa/include/fwl/{theme,lightwidget} to xfa/fwl

This CL moves and splits the remaining FWL files out of xfa/include and into
their proper locations.

Review URL: https://codereview.chromium.org/1834323003
diff --git a/xfa/fwl/lightwidget/cfwl_barcode.cpp b/xfa/fwl/lightwidget/cfwl_barcode.cpp
new file mode 100644
index 0000000..4ac358c
--- /dev/null
+++ b/xfa/fwl/lightwidget/cfwl_barcode.cpp
@@ -0,0 +1,50 @@
+// 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/lightwidget/cfwl_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;
+}