Remove ownership of CPDFSDK_Document from CPDFXFA_Document

fpdfsdk/fpdfxfa/cpdfxfa_document.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 FPDFSDK_FPDFXFA_CPDFXFA_DOCUMENT_H_
 #define FPDFSDK_FPDFXFA_CPDFXFA_DOCUMENT_H_
 
 #include <memory>
@@ skipping 22 matching lines @@
   CPDFXFA_Document(std::unique_ptr<CPDF_Document> pPDFDoc,
                    CPDFXFA_App* pProvider);
   ~CPDFXFA_Document();
 
   FX_BOOL LoadXFADoc();
   CPDF_Document* GetPDFDoc() { return m_pPDFDoc.get(); }
   CXFA_FFDoc* GetXFADoc() { return m_pXFADoc.get(); }
   CXFA_FFDocView* GetXFADocView() { return m_pXFADocView; }
   int GetDocType() const { return m_iDocType; }
 
-  CPDFSDK_Document* GetSDKDoc() const { return m_pSDKDoc.get(); }
-  void SetSDKDoc(std::unique_ptr<CPDFSDK_Document> pSDKDoc);
+  CPDFSDK_Document* GetSDKDoc() const { return m_pSDKDoc; }
+  void SetSDKDoc(CPDFSDK_Document* pSDKDoc) { m_pSDKDoc = pSDKDoc; }
 
   void DeletePage(int page_index);
   int GetPageCount() const;
 
   CPDFXFA_Page* GetXFAPage(int page_index);
   CPDFXFA_Page* GetXFAPage(CXFA_FFPageView* pPage) const;
 
   void RemovePage(CPDFXFA_Page* page);
 
   void ClearChangeMark();
@@ skipping 16 matching lines @@
     if (pDoc) {
       m_pXFADoc->CloseDoc();
       m_pXFADoc.reset();
       m_pXFADocView = nullptr;
     }
   }
 
   int m_iDocType;
 
   std::unique_ptr<CPDF_Document> m_pPDFDoc;
-  // |m_pSDKDoc| must be destroyed before |m_pPDFDoc| since it needs to access
-  // it to kill focused annotations.
-  std::unique_ptr<CPDFSDK_Document> m_pSDKDoc;
   std::unique_ptr<CXFA_FFDoc> m_pXFADoc;
+  CPDFSDK_Document* m_pSDKDoc;    // not owned.
   CXFA_FFDocView* m_pXFADocView;  // not owned.
   CPDFXFA_App* const m_pApp;
   CFX_ArrayTemplate<CPDFXFA_Page*> m_XFAPageList;
   LoadStatus m_nLoadStatus;
   int m_nPageCount;
 
   // Must be destroy before |m_pSDKDoc|.
   CPDFXFA_DocEnvironment m_DocEnv;
 };
 
 #endif  // FPDFSDK_FPDFXFA_CPDFXFA_DOCUMENT_H_