Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.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 2006 Jeremias Maerki.
  *
  * 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/datamatrix/BC_Encoder.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_SymbolInfo.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_SymbolShapeHint.h"
+
 int32_t CBC_ErrorCorrection::FACTOR_SETS[] = {5,  7,  10, 11, 12, 14, 18, 20,
                                               24, 28, 36, 42, 48, 56, 62, 68};
 int32_t CBC_ErrorCorrection::FACTORS[][100] = {
     {228, 48, 15, 111, 62},
     {23, 68, 144, 134, 240, 92, 254},
     {28, 24, 185, 166, 223, 248, 116, 255, 110, 61},
     {175, 138, 205, 12, 194, 168, 39, 245, 60, 97, 120},
     {41, 153, 158, 91, 61, 42, 142, 213, 97, 178, 100, 242},
     {156, 97, 192, 252, 95, 9, 157, 119, 138, 45, 18, 186, 83, 185},
     {83, 195, 100, 39, 188, 75, 66, 61, 241, 213, 109, 129, 94, 254, 225, 48,
@@ skipping 128 matching lines @@
       ecc[0] = 0;
     }
   }
   CFX_WideString strecc;
   for (int32_t j = 0; j < numECWords; j++) {
     strecc += (FX_WCHAR)ecc[numECWords - j - 1];
   }
   FX_Free(ecc);
   return strecc;
 }