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

core/fpdfdoc/cpvt_wordinfo.cpp

 // Copyright 2016 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
 
 #include "core/fpdfdoc/cpvt_wordinfo.h"
+#include "third_party/base/ptr_util.h"
 
 CPVT_WordInfo::CPVT_WordInfo()
     : Word(0),
       nCharset(FXFONT_ANSI_CHARSET),
       fWordX(0.0f),
       fWordY(0.0f),
       fWordTail(0.0f),
       nFontIndex(-1) {}
 
 CPVT_WordInfo::CPVT_WordInfo(uint16_t word,
@@ skipping 23 matching lines @@
   if (this == &word)
     return;
 
   Word = word.Word;
   nCharset = word.nCharset;
   nFontIndex = word.nFontIndex;
   fWordX = word.fWordX;
   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();
 }