Avoid the ptr.reset(new XXX()) anti-pattern

xfa/fxbarcode/oned/BC_OnedUPCAWriter.cpp

Index: xfa/fxbarcode/oned/BC_OnedUPCAWriter.cpp
diff --git a/xfa/fxbarcode/oned/BC_OnedUPCAWriter.cpp b/xfa/fxbarcode/oned/BC_OnedUPCAWriter.cpp
index db1b67beeffe086c4f22dbdffa35eac9d22766bf..42e84b71177cf5f4a4016a2405646cdc6321bffb 100644
--- a/xfa/fxbarcode/oned/BC_OnedUPCAWriter.cpp
+++ b/xfa/fxbarcode/oned/BC_OnedUPCAWriter.cpp
@@ -22,6 +22,7 @@
 
 #include "core/fxge/cfx_fxgedevice.h"
 #include "core/fxge/cfx_gemodule.h"
+#include "third_party/base/ptr_util.h"
 #include "xfa/fxbarcode/BC_Writer.h"
 #include "xfa/fxbarcode/oned/BC_OneDimWriter.h"
 #include "xfa/fxbarcode/oned/BC_OnedEAN13Writer.h"
@@ -33,7 +34,7 @@ CBC_OnedUPCAWriter::CBC_OnedUPCAWriter() {
 }
 
 void CBC_OnedUPCAWriter::Init() {
-  m_subWriter.reset(new CBC_OnedEAN13Writer);
+  m_subWriter = pdfium::MakeUnique<CBC_OnedEAN13Writer>();
 }
 
 CBC_OnedUPCAWriter::~CBC_OnedUPCAWriter() {}