Make code compile with clang_use_chrome_plugin (part III)

xfa/fxbarcode/cbc_code39.cpp

 // Copyright 2016 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
 /*
  * Copyright 2011 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ skipping 72 matching lines @@
 FX_BOOL CBC_Code39::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) {
   CFX_WideString renderCon =
       static_cast<CBC_OnedCode39Writer*>(m_pBCWriter.get())
           ->encodedContents(m_renderContents.AsStringC(), e);
   static_cast<CBC_OneDimWriter*>(m_pBCWriter.get())
       ->RenderBitmapResult(pOutBitmap, renderCon.AsStringC(), e);
   BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
   return TRUE;
 }
 
+BC_TYPE CBC_Code39::GetType() {
+  return BC_CODE39;
+}
+
 CFX_WideString CBC_Code39::Decode(uint8_t* buf,
                                   int32_t width,
                                   int32_t height,
                                   int32_t& e) {
   CFX_WideString str;
   return str;
 }
 
 CFX_WideString CBC_Code39::Decode(CFX_DIBitmap* pBitmap, int32_t& e) {
   CBC_BufferedImageLuminanceSource source(pBitmap);
@@ skipping 10 matching lines @@
         ->SetTextLocation(location);
   return FALSE;
 }
 
 FX_BOOL CBC_Code39::SetWideNarrowRatio(int32_t ratio) {
   if (m_pBCWriter)
     return static_cast<CBC_OnedCode39Writer*>(m_pBCWriter.get())
         ->SetWideNarrowRatio(ratio);
   return FALSE;
 }