Add ptr_util.h from base until std::make_unique<> available

core/fpdfapi/fpdf_page/fpdf_page_parser.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 "core/fpdfapi/fpdf_page/pageint.h"
 
 #include <memory>
 #include <utility>
@@ skipping 18 matching lines @@
 #include "core/fpdfapi/fpdf_parser/cpdf_document.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_name.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_number.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_reference.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_stream.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h"
 #include "core/fpdfapi/fpdf_parser/fpdf_parser_decode.h"
 #include "core/fxcrt/fx_safe_types.h"
 #include "core/fxge/cfx_graphstatedata.h"
 #include "core/fxge/cfx_pathdata.h"
+#include "third_party/base/ptr_util.h"
 
 namespace {
 
 const int kSingleCoordinatePair = 1;
 const int kTensorCoordinatePairs = 16;
 const int kCoonsCoordinatePairs = 12;
 const int kSingleColorPerPatch = 1;
 const int kQuadColorsPerPatch = 4;
 
 const char kPathOperatorSubpath = 'm';
@@ skipping 734 matching lines @@
   ImageMatrix.Concat(m_mtContentToUser);
 
   std::unique_ptr<CPDF_ImageObject> pImageObj(new CPDF_ImageObject);
   if (pImage) {
     pImageObj->SetUnownedImage(
         m_pDocument->GetPageData()->GetImage(pImage->GetStream()));
   } else if (pStream->GetObjNum()) {
     pImageObj->SetUnownedImage(m_pDocument->LoadImageF(pStream));
   } else {
     pImageObj->SetOwnedImage(
-        WrapUnique(new CPDF_Image(m_pDocument, pStream, bInline)));
+        pdfium::MakeUnique<CPDF_Image>(m_pDocument, pStream, bInline));
   }
   SetGraphicStates(pImageObj.get(), pImageObj->GetImage()->IsMask(), FALSE,
                    FALSE);
   pImageObj->m_Matrix = ImageMatrix;
   pImageObj->CalcBoundingBox();
   CPDF_ImageObject* pRet = pImageObj.get();
   m_pObjectHolder->GetPageObjectList()->push_back(std::move(pImageObj));
   return pRet;
 }
 
@@ skipping 869 matching lines @@
         } else {
           PDF_ReplaceAbbr(pElement);
         }
       }
       break;
     }
     default:
       break;
   }
 }