Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/BC_Writer.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/BC_Writer.h"
-#include "xfa/src/fxbarcode/barcode.h"
+
 CBC_Writer::CBC_Writer() {
   m_CharEncoding = 0;
   m_ModuleHeight = 1;
   m_ModuleWidth = 1;
   m_Height = 320;
   m_Width = 640;
   m_colorSpace = FXDIB_Argb;
   m_barColor = 0xff000000;
   m_backgroundColor = 0xffffffff;
 }
@@ skipping 28 matching lines @@
   m_backgroundColor = backgroundColor;
 }
 void CBC_Writer::SetBarcodeColor(FX_ARGB foregroundColor) {
   m_barColor = foregroundColor;
 }
 CFX_DIBitmap* CBC_Writer::CreateDIBitmap(int32_t width, int32_t height) {
   CFX_DIBitmap* pDIBitmap = new CFX_DIBitmap;
   pDIBitmap->Create(width, height, m_colorSpace);
   return pDIBitmap;
 }