Merge the CFWL_*Imp classes into the IFWL_* classes.

xfa/fwl/core/ifwl_barcode.h

Index: xfa/fwl/core/ifwl_barcode.h
diff --git a/xfa/fwl/basewidget/ifwl_barcode.h b/xfa/fwl/core/ifwl_barcode.h
similarity index 58%
rename from xfa/fwl/basewidget/ifwl_barcode.h
rename to xfa/fwl/core/ifwl_barcode.h
index aaee09b9fff6222034b20f0ae661aa83663f9d52..6f58ad10126b48a3a34e87ab3bdf631ed4d82360 100644
--- a/xfa/fwl/basewidget/ifwl_barcode.h
+++ b/xfa/fwl/core/ifwl_barcode.h
@@ -4,14 +4,22 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FWL_BASEWIDGET_IFWL_BARCODE_H_
-#define XFA_FWL_BASEWIDGET_IFWL_BARCODE_H_
+#ifndef XFA_FWL_CORE_IFWL_BARCODE_H_
+#define XFA_FWL_CORE_IFWL_BARCODE_H_
 
-#include "xfa/fwl/basewidget/ifwl_edit.h"
+#include <memory>
+
+#include "xfa/fwl/core/ifwl_edit.h"
+#include "xfa/fwl/core/ifwl_scrollbar.h"
 #include "xfa/fxbarcode/BC_Library.h"
 
+class CFWL_BarcodeImpDelegate;
 class CFWL_WidgetImpProperties;
+class CFX_Barcode;
+class IFWL_Widget;
 
+#define XFA_BCS_NeedUpdate 0x0001
+#define XFA_BCS_EncodeSuccess 0x0002
 #define FWL_CLASS_Barcode L"FWL_BARCODE"
 
 enum FWL_BCDAttribute {
@@ -52,11 +60,38 @@ class IFWL_BarcodeDP : public IFWL_EditDP {
 class IFWL_Barcode : public IFWL_Edit {
  public:
   static IFWL_Barcode* Create(const CFWL_WidgetImpProperties& properties);
+
+  IFWL_Barcode(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
+  ~IFWL_Barcode() override;
+
+  // IFWL_Widget
+  FWL_Error GetClassName(CFX_WideString& wsClass) const override;
+  FWL_Type GetClassID() const override;
+  FWL_Error Initialize() override;
+  FWL_Error Finalize() override;
+  FWL_Error Update() override;
+  FWL_Error DrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = nullptr) override;
+  FWL_Error SetText(const CFX_WideString& wsText) override;
+
   void SetType(BC_TYPE type);
   FX_BOOL IsProtectedType();
 
  protected:
-  IFWL_Barcode();
+  friend class CFWL_BarcodeImpDelegate;
+
+  void GenerateBarcodeImageCache();
+  void CreateBarcodeEngine();
+
+  std::unique_ptr<CFX_Barcode> m_pBarcodeEngine;
+  uint32_t m_dwStatus;
+  BC_TYPE m_type;
+};
+
+class CFWL_BarcodeImpDelegate : public CFWL_EditImpDelegate {
+ public:
+  explicit CFWL_BarcodeImpDelegate(IFWL_Barcode* pOwner);
+  void OnProcessEvent(CFWL_Event* pEvent) override;
 };
 
-#endif  // XFA_FWL_BASEWIDGET_IFWL_BARCODE_H_
+#endif  // XFA_FWL_CORE_IFWL_BARCODE_H_