Use smart pointers for class owned pointers in xfa/fxbarcode

xfa/fxbarcode/oned/BC_OneDimWriter.h

Index: xfa/fxbarcode/oned/BC_OneDimWriter.h
diff --git a/xfa/fxbarcode/oned/BC_OneDimWriter.h b/xfa/fxbarcode/oned/BC_OneDimWriter.h
index 10eccf9eeab21f31d7bee96367ad216f63915964..1480b82df1ca01f94d7854b7a6db822921d71867 100644
--- a/xfa/fxbarcode/oned/BC_OneDimWriter.h
+++ b/xfa/fxbarcode/oned/BC_OneDimWriter.h
@@ -7,6 +7,8 @@
 #ifndef XFA_FXBARCODE_ONED_BC_ONEDIMWRITER_H_
 #define XFA_FXBARCODE_ONED_BC_ONEDIMWRITER_H_
 
+#include <memory>
+
 #include "core/fxge/include/fx_ge.h"
 #include "xfa/fxbarcode/BC_Writer.h"
 #include "xfa/fxbarcode/include/BC_Library.h"
@@ -107,7 +109,7 @@ class CBC_OneDimWriter : public CBC_Writer {
   int32_t m_iContentLen;
   FX_BOOL m_bLeftPadding;
   FX_BOOL m_bRightPadding;
-  CBC_CommonBitMatrix* m_output;
+  std::unique_ptr<CBC_CommonBitMatrix> m_output;
   int32_t m_barWidth;
   int32_t m_multiple;
   FX_FLOAT m_outputHScale;