Organize barcode codes into modules.

xfa/src/fxbarcode/src/include/BC_C40Encoder.h

Index: xfa/src/fxbarcode/src/include/BC_C40Encoder.h
diff --git a/xfa/src/fxbarcode/src/include/BC_C40Encoder.h b/xfa/src/fxbarcode/src/include/BC_C40Encoder.h
deleted file mode 100644
index 7f2d2f7e79df8b71a017da396de224818ee2e8fc..0000000000000000000000000000000000000000
--- a/xfa/src/fxbarcode/src/include/BC_C40Encoder.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// 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
-
-#ifndef _BC_C40ENCODER_H_
-#define _BC_C40ENCODER_H_
-class CBC_C40Encoder;
-class CBC_C40Encoder : public CBC_Encoder
-{
-public:
-    CBC_C40Encoder();
-    virtual ~CBC_C40Encoder();
-    virtual FX_INT32 getEncodingMode();
-    virtual void Encode(CBC_EncoderContext &context, FX_INT32 &e);
-    static void writeNextTriplet(CBC_EncoderContext &context, CFX_WideString &buffer);
-    virtual void handleEOD(CBC_EncoderContext &context, CFX_WideString &buffer, FX_INT32 &e);
-    virtual FX_INT32 encodeChar(FX_WCHAR c, CFX_WideString &sb, FX_INT32 &e);
-private:
-    FX_INT32 backtrackOneCharacter(CBC_EncoderContext &context, CFX_WideString &buffer, CFX_WideString &removed, FX_INT32 lastCharSize, FX_INT32 &e);
-    static CFX_WideString encodeToCodewords(CFX_WideString sb, FX_INT32 startPos);
-};
-#endif