Make code compile with clang_use_chrome_plugin (part III)

xfa/fxbarcode/pdf417/BC_PDF417DetectionResultRowIndicatorColumn.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_PDF417_BC_PDF417DETECTIONRESULTROWINDICATORCOLUMN_H_
 #define XFA_FXBARCODE_PDF417_BC_PDF417DETECTIONRESULTROWINDICATORCOLUMN_H_
 
 class CBC_BarcodeMetadata;
 class CBC_BoundingBox;
 
 class CBC_DetectionResultRowIndicatorColumn : public CBC_DetectionResultColumn {
  public:
   CBC_DetectionResultRowIndicatorColumn(CBC_BoundingBox* boundingBox,
                                         FX_BOOL isLeft);
-  virtual ~CBC_DetectionResultRowIndicatorColumn();
+  ~CBC_DetectionResultRowIndicatorColumn() override;
+
   void setRowNumbers();
   int32_t adjustCompleteIndicatorColumnRowNumbers(
       CBC_BarcodeMetadata barcodeMetadata);
   CFX_Int32Array* getRowHeights(int32_t& e);
   int32_t adjustIncompleteIndicatorColumnRowNumbers(
       CBC_BarcodeMetadata barcodeMetadata);
   CBC_BarcodeMetadata* getBarcodeMetadata();
   FX_BOOL isLeft();
   CFX_ByteString toString();
 
  private:
   void removeIncorrectCodewords(CFX_ArrayTemplate<CBC_Codeword*>* codewords,
                                 CBC_BarcodeMetadata barcodeMetadata);
 
   FX_BOOL m_isLeft;
 };
 
 #endif  // XFA_FXBARCODE_PDF417_BC_PDF417DETECTIONRESULTROWINDICATORCOLUMN_H_