Make code compile with clang_use_chrome_plugin (part III)

xfa/fxbarcode/oned/BC_OnedEAN13Reader.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_FXBARCODE_ONED_BC_ONEDEAN13READER_H_
 #define XFA_FXBARCODE_ONED_BC_ONEDEAN13READER_H_
 
 #include "core/fxcrt/include/fx_string.h"
 #include "core/fxcrt/include/fx_system.h"
 #include "xfa/fxbarcode/oned/BC_OneDimReader.h"
 
 class CBC_CommonBitArray;
 class CBC_OnedUPCAReader;
 
 class CBC_OnedEAN13Reader : public CBC_OneDimReader {
  public:
   static const int32_t FIRST_DIGIT_ENCODINGS[10];
 
   CBC_OnedEAN13Reader();
-  virtual ~CBC_OnedEAN13Reader();
+  ~CBC_OnedEAN13Reader() override;
 
  private:

[Lei Zhang, 2016/06/15 00:04:30]

BTW, private ahead of protected.

[Wei Li, 2016/06/15 00:32:39]

Done.

   void DetermineFirstDigit(CFX_ByteString& result,
                            int32_t lgPatternFound,
                            int32_t& e);
 
  protected:
   friend class CBC_OnedUPCAReader;
 
   int32_t DecodeMiddle(CBC_CommonBitArray* row,
                        CFX_Int32Array* startRange,
                        CFX_ByteString& resultString,
-                       int32_t& e);
+                       int32_t& e) override;
 };
 
 #endif  // XFA_FXBARCODE_ONED_BC_ONEDEAN13READER_H_