Move xfa/src up to xfa/.

xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecoder.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_SRC_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODER_H_
-#define XFA_SRC_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODER_H_
-
-#include "core/include/fxcrt/fx_basic.h"
-
-class CBC_ReedSolomonDecoder;
-class CBC_CommonDecoderResult;
-class CBC_CommonBitMatrix;
-
-class CBC_DataMatrixDecoder {
- public:
-  CBC_DataMatrixDecoder();
-  virtual ~CBC_DataMatrixDecoder();
-  CBC_CommonDecoderResult* Decode(CBC_CommonBitMatrix* bits, int32_t& e);
-  virtual void Init();
-
- private:
-  void CorrectErrors(CFX_ByteArray& codewordBytes,
-                     int32_t numDataCodewords,
-                     int32_t& e);
-  CBC_ReedSolomonDecoder* m_rsDecoder;
-};
-
-#endif  // XFA_SRC_FXBARCODE_DATAMATRIX_BC_DATAMATRIXDECODER_H_