Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.cpp

 // 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
 // Original code is licensed as follows:
 /*
  * Copyright 2007 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
-#include "xfa/src/fxbarcode/barcode.h"
 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
+#include "xfa/src/fxbarcode/utils.h"
+
 CBC_DataMatrixBitMatrixParser::CBC_DataMatrixBitMatrixParser() {
   m_mappingBitMatrix = NULL;
   m_version = NULL;
   m_readMappingMatrix = NULL;
 }
 void CBC_DataMatrixBitMatrixParser::Init(CBC_CommonBitMatrix* bitMatrix,
                                          int32_t& e) {
   int32_t dimension = bitMatrix->GetHeight();
   if (dimension < 8 || dimension > 144 || (dimension & 0x01) != 0) {
     e = BCExceptionFormatException;
@@ skipping 334 matching lines @@
           if (bitMatrix->Get(readColumnOffset, readRowOffset)) {
             int32_t writeColumnOffset = dataRegionColumnOffset + j;
             bitMatrixWithoutAlignment->Set(writeColumnOffset, writeRowOffset);
           }
         }
       }
     }
   }
   return bitMatrixWithoutAlignment;
 }