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

core/fpdfdoc/cpvt_wordinfo.cpp

Index: core/fpdfdoc/cpvt_wordinfo.cpp
diff --git a/core/fpdfdoc/cpvt_wordinfo.cpp b/core/fpdfdoc/cpvt_wordinfo.cpp
index 2303f300327a61daaa4ba0643d40b07e642edcc7..f1ea11915c4a1122e236ea32c728ae297af051f6 100644
--- a/core/fpdfdoc/cpvt_wordinfo.cpp
+++ b/core/fpdfdoc/cpvt_wordinfo.cpp
@@ -5,6 +5,7 @@
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fpdfdoc/cpvt_wordinfo.h"
+#include "third_party/base/ptr_util.h"
 
 CPVT_WordInfo::CPVT_WordInfo()
     : Word(0),
@@ -48,7 +49,7 @@ void CPVT_WordInfo::operator=(const CPVT_WordInfo& word) {
   fWordY = word.fWordY;
   fWordTail = word.fWordTail;
   if (word.pWordProps)
-    pWordProps.reset(new CPVT_WordProps(*word.pWordProps));
+    pWordProps = pdfium::MakeUnique<CPVT_WordProps>(*word.pWordProps);
   else
     pWordProps.reset();
 }