Replace CFX_PtrArray with typesafe CFX_ArrayTemplate, part 10

xfa/fxbarcode/qrcode/BC_QRDataBlock.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_QRDATABLOCK_H_
 #define XFA_FXBARCODE_QRCODE_BC_QRDATABLOCK_H_
 
 #include "core/fxcrt/include/fx_basic.h"
 
+class CBC_QRCoderErrorCorrectionLevel;
 class CBC_QRCoderVersion;
-class CBC_QRCoderErrorCorrectionLevel;
-class CBC_QRDataBlock {
+
+class CBC_QRDataBlock final {
+ public:
+  ~CBC_QRDataBlock();
+  int32_t GetNumDataCodewords();
+  CFX_ByteArray* GetCodewords();
+  static CFX_ArrayTemplate<CBC_QRDataBlock*>* GetDataBlocks(
+      CFX_ByteArray* rawCodewords,
+      CBC_QRCoderVersion* version,
+      CBC_QRCoderErrorCorrectionLevel* ecLevel,
+      int32_t& e);
+
  private:
+  CBC_QRDataBlock(int32_t numDataCodewords, CFX_ByteArray* codewords);
+
   int32_t m_numDataCodewords;
   CFX_ByteArray* m_codewords;
-  CBC_QRDataBlock(int32_t numDataCodewords, CFX_ByteArray* codewords);
-
- public:
-  virtual ~CBC_QRDataBlock();
-  int32_t GetNumDataCodewords();
-  CFX_ByteArray* GetCodewords();
-  static CFX_PtrArray* GetDataBlocks(CFX_ByteArray* rawCodewords,
-                                     CBC_QRCoderVersion* version,
-                                     CBC_QRCoderErrorCorrectionLevel* ecLevel,
-                                     int32_t& e);
 };
 
 #endif  // XFA_FXBARCODE_QRCODE_BC_QRDATABLOCK_H_