Move xfa/fxbarcode fxbarcode/

Nothing in fxbarcode/ depends on XFA code. This CL moves xfa/fxbarcode
to be fxbarcode/ and creates a static_library for fxbarcode which is
depend on by the xfa library.

Change-Id: I0b708737b07efb94b769a5238d92af92bc62880d
Reviewed-on: https://pdfium-review.googlesource.com/3291
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
diff --git a/fxbarcode/BC_TwoDimWriter.h b/fxbarcode/BC_TwoDimWriter.h
new file mode 100644
index 0000000..b0fed0b
--- /dev/null
+++ b/fxbarcode/BC_TwoDimWriter.h
@@ -0,0 +1,39 @@
+// 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 FXBARCODE_BC_TWODIMWRITER_H_
+#define FXBARCODE_BC_TWODIMWRITER_H_
+
+#include <memory>
+
+#include "fxbarcode/BC_Writer.h"
+
+class CBC_CommonBitMatrix;
+class CFX_RenderDevice;
+
+class CBC_TwoDimWriter : public CBC_Writer {
+ public:
+  CBC_TwoDimWriter();
+  ~CBC_TwoDimWriter() override;
+
+  virtual void RenderResult(uint8_t* code,
+                            int32_t codeWidth,
+                            int32_t codeHeight,
+                            int32_t& e);
+  virtual void RenderBitmapResult(CFX_RetainPtr<CFX_DIBitmap>& pOutBitmap,
+                                  int32_t& e);
+  virtual void RenderDeviceResult(CFX_RenderDevice* device,
+                                  const CFX_Matrix* matrix);
+  virtual bool SetErrorCorrectionLevel(int32_t level) = 0;
+  int32_t GetErrorCorrectionLevel() const;
+
+ protected:
+  int32_t m_iCorrectLevel;
+  bool m_bFixedSize;
+  std::unique_ptr<CBC_CommonBitMatrix> m_output;
+};
+
+#endif  // FXBARCODE_BC_TWODIMWRITER_H_