Cleanup ownership of parser members

xfa/fxfa/parser/cxfa_simple_parser.h

 // 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
 
 #ifndef XFA_FXFA_PARSER_CXFA_SIMPLE_PARSER_H_
 #define XFA_FXFA_PARSER_CXFA_SIMPLE_PARSER_H_
 
+#include <memory>
+
 #include "xfa/fde/xml/fde_xml_imp.h"
 #include "xfa/fxfa/include/fxfa_basic.h"
 
 class CXFA_Document;
 class CXFA_Node;
 class CXFA_XMLParser;
 class IFX_FileRead;
 class IFX_Pause;
 class IFX_Stream;
 
@@ skipping 46 matching lines @@
                       XFA_XDPPACKET ePacketID);
   void ParseDataGroup(CXFA_Node* pXFANode,
                       CFDE_XMLNode* pXMLNode,
                       XFA_XDPPACKET ePacketID);
   void ParseInstruction(CXFA_Node* pXFANode,
                         CFDE_XMLInstruction* pXMLInstruction,
                         XFA_XDPPACKET ePacketID);
   void SetFactory(CXFA_Document* pFactory);
 
   CXFA_XMLParser* m_pXMLParser;
-  CFDE_XMLDoc* m_pXMLDoc;
-  IFX_Stream* m_pStream;
+  std::unique_ptr<CFDE_XMLDoc> m_pXMLDoc;
+  std::unique_ptr<IFX_Stream, ReleaseDeleter<IFX_Stream>> m_pStream;
   IFX_FileRead* m_pFileRead;
   CXFA_Document* m_pFactory;
   CXFA_Node* m_pRootNode;
   XFA_XDPPACKET m_ePacketID;
   FX_BOOL m_bDocumentParser;
   friend class CXFA_DocumentParser;
 };
 
 #endif  // XFA_FXFA_PARSER_CXFA_SIMPLE_PARSER_H_