Remove DataProvider from CFWL_WidgetProperties

xfa/fwl/core/ifwl_barcode.h

 // 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
 
 #ifndef XFA_FWL_CORE_IFWL_BARCODE_H_
 #define XFA_FWL_CORE_IFWL_BARCODE_H_
 
 #include <memory>
@@ skipping 22 matching lines @@
   FWL_BCDATTRIBUTE_WIDENARROWRATIO = 1 << 7,
   FWL_BCDATTRIBUTE_STARTCHAR = 1 << 8,
   FWL_BCDATTRIBUTE_ENDCHAR = 1 << 9,
   FWL_BCDATTRIBUTE_VERSION = 1 << 10,
   FWL_BCDATTRIBUTE_ECLEVEL = 1 << 11,
   FWL_BCDATTRIBUTE_TRUNCATED = 1 << 12
 };
 
 class IFWL_Barcode : public IFWL_Edit {
  public:
-  class DataProvider : public IFWL_Widget::DataProvider {
+  class DataProvider {
    public:
     virtual BC_CHAR_ENCODING GetCharEncoding() const = 0;
     virtual int32_t GetModuleHeight() const = 0;
     virtual int32_t GetModuleWidth() const = 0;
     virtual int32_t GetDataLength() const = 0;
     virtual bool GetCalChecksum() const = 0;
     virtual bool GetPrintChecksum() const = 0;
     virtual BC_TEXT_LOC GetTextLocation() const = 0;
     virtual int32_t GetWideNarrowRatio() const = 0;
     virtual FX_CHAR GetStartChar() const = 0;
@@ skipping 14 matching lines @@
   void DrawWidget(CFX_Graphics* pGraphics,
                   const CFX_Matrix* pMatrix = nullptr) override;
   void OnProcessEvent(CFWL_Event* pEvent) override;
 
   // IFWL_Edit
   void SetText(const CFX_WideString& wsText) override;
 
   void SetType(BC_TYPE type);
   bool IsProtectedType() const;
 
+  void SetDataProvider(IFWL_Barcode::DataProvider* provider) {
+    m_pDataProvider = provider;
+  }
+
  private:
   void GenerateBarcodeImageCache();
   void CreateBarcodeEngine();
 
   std::unique_ptr<CFX_Barcode> m_pBarcodeEngine;
+  IFWL_Barcode::DataProvider* m_pDataProvider;  // Not owned.
   uint32_t m_dwStatus;
   BC_TYPE m_type;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_BARCODE_H_