Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/oned/BC_OnedCode39Reader.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 <algorithm>
 
 #include "xfa/src/fxbarcode/BC_Reader.h"
-#include "xfa/src/fxbarcode/barcode.h"
 #include "xfa/src/fxbarcode/common/BC_CommonBitArray.h"
 #include "xfa/src/fxbarcode/oned/BC_OneDReader.h"
 #include "xfa/src/fxbarcode/oned/BC_OnedCode39Reader.h"
+#include "xfa/src/fxbarcode/utils.h"
+
 const FX_CHAR* CBC_OnedCode39Reader::ALPHABET_STRING =
     "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. *$/+%";
 const FX_CHAR* CBC_OnedCode39Reader::CHECKSUM_STRING =
     "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%";
 const int32_t CBC_OnedCode39Reader::CHARACTER_ENCODINGS[44] = {
     0x034, 0x121, 0x061, 0x160, 0x031, 0x130, 0x070, 0x025, 0x124,
     0x064, 0x109, 0x049, 0x148, 0x019, 0x118, 0x058, 0x00D, 0x10C,
     0x04C, 0x01C, 0x103, 0x043, 0x142, 0x013, 0x112, 0x052, 0x007,
     0x106, 0x046, 0x016, 0x181, 0x0C1, 0x1C0, 0x091, 0x190, 0x0D0,
     0x085, 0x184, 0x0C4, 0x094, 0x0A8, 0x0A2, 0x08A, 0x02A};
 const int32_t CBC_OnedCode39Reader::ASTERISK_ENCODING = 0x094;
+
 CBC_OnedCode39Reader::CBC_OnedCode39Reader()
     : m_usingCheckDigit(FALSE), m_extendedMode(FALSE) {
 }
 CBC_OnedCode39Reader::CBC_OnedCode39Reader(FX_BOOL usingCheckDigit)
     : m_usingCheckDigit(usingCheckDigit), m_extendedMode(FALSE) {
 }
 CBC_OnedCode39Reader::CBC_OnedCode39Reader(FX_BOOL usingCheckDigit,
                                            FX_BOOL extendedMode)
     : m_usingCheckDigit(usingCheckDigit), m_extendedMode(extendedMode) {
 }
@@ skipping 233 matching lines @@
           break;
       }
       decoded += decodedChar;
       i++;
     } else {
       decoded += c;
     }
   }
   return decoded;
 }