Make code compile with clang_use_chrome_plugin (part III)

xfa/fxbarcode/qrcode/BC_QRFinderPattern.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_QRCODE_BC_QRFINDERPATTERN_H_
 #define XFA_FXBARCODE_QRCODE_BC_QRFINDERPATTERN_H_
 
 class CBC_ResultPoint;
 class CBC_QRFinderPattern;
 class CBC_QRFinderPattern : public CBC_ResultPoint {
  private:
   FX_FLOAT m_estimatedModuleSize;
   int32_t m_count;
 
  public:
   CBC_QRFinderPattern(FX_FLOAT x, FX_FLOAT posY, FX_FLOAT estimatedModuleSize);
-  virtual ~CBC_QRFinderPattern();
+  ~CBC_QRFinderPattern() override;
+
+  // CBC_ResultPoint
+  FX_FLOAT GetX() override;
+  FX_FLOAT GetY() override;
 
   int32_t GetCount() const;
-  FX_FLOAT GetX();
-  FX_FLOAT GetY();
   FX_FLOAT GetEstimatedModuleSize();
   void IncrementCount();
   FX_BOOL AboutEquals(FX_FLOAT moduleSize, FX_FLOAT i, FX_FLOAT j);
   CBC_QRFinderPattern* Clone();
 };
 typedef CBC_QRFinderPattern FinderPattern;
 
 #endif  // XFA_FXBARCODE_QRCODE_BC_QRFINDERPATTERN_H_