Flip document and parser ownership

core/fpdfapi/fpdf_parser/cpdf_document.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_parser/include/cpdf_document.h"
 
 #include <memory>
 #include <set>
@@ skipping 465 matching lines @@
       // This page is a leaf node.
       count++;
     }
   }
   pPages->SetAtInteger("Count", count);
   return count;
 }
 
 }  // namespace
 
-CPDF_Document::CPDF_Document(CPDF_Parser* pParser)
+CPDF_Document::CPDF_Document(std::unique_ptr<CPDF_Parser> pParser)
     : CPDF_IndirectObjectHolder(),
-      m_pParser(pParser),
+      m_pParser(std::move(pParser)),
       m_pRootDict(nullptr),
       m_pInfoDict(nullptr),
       m_bLinearized(false),
       m_iFirstPageNo(0),
       m_dwFirstPageObjNum(0),
       m_pDocPage(new CPDF_DocPageData(this)),
       m_pDocRender(new CPDF_DocRenderData(this)) {
   if (pParser)
     SetLastObjNum(m_pParser->GetLastObjNum());
 }
@@ skipping 952 matching lines @@
     }
   }
   pFontDesc->SetAtInteger("StemV", fStemV);
   AddIndirectObject(pFontDesc);
   pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
   CFRelease(traits);
   CFRelease(languages);
   return LoadFont(pBaseDict);
 }
 #endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_