Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp

Index: xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp
diff --git a/xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp b/xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp
index 3b13b671ca1bf5fbd0e6107f75ce292fe080f29f..73999a4818c58a103347bdf971d1f7a85c764891 100644
--- a/xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp
+++ b/xfa/src/fxbarcode/oned/BC_OnedCode39Reader.cpp
@@ -23,10 +23,11 @@
 #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 =
@@ -38,6 +39,7 @@ const int32_t CBC_OnedCode39Reader::CHARACTER_ENCODINGS[44] = {
     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) {
 }