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

xfa/fde/cfx_wordbreak.cpp

 // 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
 
 #include "xfa/fde/cfx_wordbreak.h"
 
 #include <utility>
 
+#include "third_party/base/ptr_util.h"
 #include "xfa/fde/cfx_chariter.h"
 
 namespace {
 
 enum FX_WordBreakProp {
   FX_WordBreakProp_None = 0,
   FX_WordBreakProp_CR,
   FX_WordBreakProp_LF,
   FX_WordBreakProp_NewLine,
   FX_WordBreakProp_Extend,
@@ skipping 2760 matching lines @@
 CFX_WordBreak::CFX_WordBreak() {}
 
 CFX_WordBreak::~CFX_WordBreak() {}
 
 void CFX_WordBreak::Attach(IFX_CharIter* pIter) {
   ASSERT(pIter);
   m_pCurIter.reset(pIter);
 }
 
 void CFX_WordBreak::Attach(const CFX_WideString& wsText) {
-  m_pCurIter.reset(new CFX_CharIter(wsText));
+  m_pCurIter = pdfium::MakeUnique<CFX_CharIter>(wsText);
 }
 
 bool CFX_WordBreak::Next(bool bPrev) {
   std::unique_ptr<IFX_CharIter> pIter(
       (bPrev ? m_pPreIter : m_pCurIter)->Clone());
   if (pIter->IsEOF(!bPrev))
     return false;
 
   pIter->Next(bPrev);
   if (!FindNextBreakPos(pIter.get(), bPrev, true))
@@ skipping 134 matching lines @@
           return true;
         }
       }
     }
     ePreType = eCurType;
     eCurType = eNextType;
     bFirst = false;
   } while (!pIter->IsEOF(!bPrev));
   return true;
 }