Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/datamatrix/BC_DataMatrixWriter.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 2008 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/BC_BinaryBitmap.h"
 #include "xfa/src/fxbarcode/BC_Dimension.h"
 #include "xfa/src/fxbarcode/BC_TwoDimWriter.h"
 #include "xfa/src/fxbarcode/BC_UtilCodingConvert.h"
 #include "xfa/src/fxbarcode/BC_Writer.h"
-#include "xfa/src/fxbarcode/barcode.h"
 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
 #include "xfa/src/fxbarcode/common/BC_CommonByteMatrix.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_ASCIIEncoder.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_Base256Encoder.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_C40Encoder.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_DataMatrixSymbolInfo144.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_DataMatrixWriter.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_DefaultPlacement.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_EdifactEncoder.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_Encoder.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_EncoderContext.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_HighLevelEncoder.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_SymbolInfo.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_TextEncoder.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_X12Encoder.h"
+
 CBC_DataMatrixWriter::CBC_DataMatrixWriter() {}
 CBC_DataMatrixWriter::~CBC_DataMatrixWriter() {}
 FX_BOOL CBC_DataMatrixWriter::SetErrorCorrectionLevel(int32_t level) {
   m_iCorrectLevel = level;
   return TRUE;
 }
 uint8_t* CBC_DataMatrixWriter::Encode(const CFX_WideString& contents,
                                       int32_t& outWidth,
                                       int32_t& outHeight,
                                       int32_t& e) {
@@ skipping 71 matching lines @@
       matrixX = 0;
       for (int32_t x = 0; x < symbolInfo->getSymbolWidth(e); x++) {
         matrix->Set(matrixX, matrixY, TRUE);
         matrixX++;
       }
       matrixY++;
     }
   }
   return matrix;
 }