Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/BC_Utils.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
 
-#include "xfa/src/fxbarcode/barcode.h"
+#include "core/include/fxcrt/fx_basic.h"
+#include "xfa/src/fxbarcode/utils.h"
+
 FX_BOOL BC_FX_ByteString_Replace(CFX_ByteString& dst,
                                  FX_DWORD first,
                                  FX_DWORD last,
                                  int32_t count,
                                  FX_CHAR c) {
   if (first > last || count <= 0) {
     return FALSE;
   }
   dst.Delete(first, last - first);
   for (int32_t i = 0; i < count; i++) {
@@ skipping 19 matching lines @@
     for (int32_t i = 0; i < nLength - 1; i++) {
       if (fun(src[i + 1], src[i])) {
         void* temp = src[i];
         src.SetAt(i, src[i + 1]);
         src.SetAt(i + 1, temp);
         changed = true;
       }
     }
   } while (changed);
 }