Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/common/BC_CommonBitArray.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_CommonBitArray.h"
+#include "xfa/src/fxbarcode/utils.h"
+
 CBC_CommonBitArray::CBC_CommonBitArray(CBC_CommonBitArray* array) {
   m_size = array->GetSize();
   m_bits.Copy(array->GetBits());
 }
 CBC_CommonBitArray::CBC_CommonBitArray() {
   m_bits.SetSize(1);
   m_size = 0;
 }
 CBC_CommonBitArray::CBC_CommonBitArray(int32_t size) {
   m_bits.SetSize((size + 31) >> 5);
@@ skipping 68 matching lines @@
   int32_t size = m_size;
   int32_t i;
   for (i = 0; i < size; i++) {
     if (Get(size - i - 1)) {
       newBits[i >> 5] |= 1 << (i & 0x1F);
     }
   }
   FXSYS_memcpy(&m_bits[0], newBits, m_bits.GetSize() * sizeof(int32_t));
   FX_Free(newBits);
 }