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

xfa/fxgraphics/cfx_path.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 "xfa/fxgraphics/cfx_path.h"
 
 #include "core/fxge/cfx_pathdata.h"
+#include "third_party/base/ptr_util.h"
 #include "xfa/fxgraphics/cfx_path_generator.h"
 
 CFX_Path::CFX_Path() {}
 
 FWL_Error CFX_Path::Create() {
   if (m_generator)
     return FWL_Error::PropertyInvalid;
 
-  m_generator.reset(new CFX_PathGenerator());
+  m_generator = pdfium::MakeUnique<CFX_PathGenerator>();
   return FWL_Error::Succeeded;
 }
 
 CFX_Path::~CFX_Path() {}
 
 FWL_Error CFX_Path::MoveTo(FX_FLOAT x, FX_FLOAT y) {
   if (!m_generator)
     return FWL_Error::PropertyInvalid;
   m_generator->MoveTo(x, y);
   return FWL_Error::Succeeded;
@@ skipping 139 matching lines @@
   if (m_generator->GetPathData()->GetPointCount() == 0)
     return true;
   return false;
 }
 
 CFX_PathData* CFX_Path::GetPathData() const {
   if (!m_generator)
     return nullptr;
   return m_generator->GetPathData();
 }