Continue IFWL widget cleanup.

xfa/fwl/core/cfwl_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_CFWL_BARCODE_H_
 #define XFA_FWL_CORE_CFWL_BARCODE_H_
 
 #include "xfa/fwl/core/cfwl_edit.h"
@@ skipping 19 matching lines @@
   void SetTextLocation(BC_TEXT_LOC location);
   void SetWideNarrowRatio(int32_t ratio);
   void SetStartChar(FX_CHAR startChar);
   void SetEndChar(FX_CHAR endChar);
   void SetVersion(int32_t version);
   void SetErrorCorrectionLevel(int32_t ecLevel);
   void SetTruncated(bool truncated);
   void ResetBarcodeAttributes();
 
   // IFWL_DataProvider
-  FWL_Error GetCaption(IFWL_Widget* pWidget,
-                       CFX_WideString& wsCaption) override;
+  void GetCaption(IFWL_Widget* pWidget, CFX_WideString& wsCaption) override;
 
   // IFWL_BarcodeDP
   BC_CHAR_ENCODING GetCharEncoding() const override;
   int32_t GetModuleHeight() const override;
   int32_t GetModuleWidth() const override;
   int32_t GetDataLength() const override;
   bool GetCalChecksum() const override;
   bool GetPrintChecksum() const override;
   BC_TEXT_LOC GetTextLocation() const override;
   int32_t GetWideNarrowRatio() const override;
@@ skipping 15 matching lines @@
   int32_t m_nWideNarrowRatio;
   FX_CHAR m_cStartChar;
   FX_CHAR m_cEndChar;
   int32_t m_nVersion;
   int32_t m_nECLevel;
   bool m_bTruncated;
   uint32_t m_dwAttributeMask;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_BARCODE_H_