Remove IXFA_* interfaces.

xfa/include/fxfa/xfa_ffdoc.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_APP_XFA_FFDOC_H_
-#define XFA_FXFA_APP_XFA_FFDOC_H_
+#ifndef XFA_INCLUDE_FXFA_XFA_FFDOC_H_
+#define XFA_INCLUDE_FXFA_XFA_FFDOC_H_
 
 #include "xfa/fxfa/parser/xfa_document.h"
 #include "xfa/include/fxfa/fxfa.h"
 
+class CXFA_ChecksumContext;
 class CXFA_FFApp;
 class CXFA_FFNotify;
 class CXFA_FFDocView;
 
 struct FX_IMAGEDIB_AND_DPI {
   CFX_DIBSource* pDibSource;
   int32_t iImageXDpi;
   int32_t iImageYDpi;
 };
 
-class CXFA_FFDoc : public IXFA_Doc {
+class CXFA_FFDoc {
  public:
   CXFA_FFDoc(CXFA_FFApp* pApp, IXFA_DocProvider* pDocProvider);
   ~CXFA_FFDoc();
   IXFA_DocProvider* GetDocProvider() { return m_pDocProvider; }
   uint32_t GetDocType();
   int32_t StartLoad();
   int32_t DoLoad(IFX_Pause* pPause = NULL);
   void StopLoad();
-  IXFA_DocView* CreateDocView(uint32_t dwView = 0);
+  CXFA_FFDocView* CreateDocView(uint32_t dwView = 0);
   FX_BOOL OpenDoc(IFX_FileRead* pStream, FX_BOOL bTakeOverFile);
   FX_BOOL OpenDoc(CPDF_Document* pPDFDoc);
   FX_BOOL CloseDoc();
   void SetDocType(uint32_t dwType);
   CXFA_Document* GetXFADoc() { return m_pDocument; }
   CXFA_FFApp* GetApp() { return m_pApp; }
-  CXFA_FFDocView* GetDocView(IXFA_DocLayout* pLayout);
+  CXFA_FFDocView* GetDocView(CXFA_LayoutProcessor* pLayout);
   CXFA_FFDocView* GetDocView();
   CPDF_Document* GetPDFDoc();
   CFX_DIBitmap* GetPDFNamedImage(const CFX_WideStringC& wsName,
                                  int32_t& iImageXDpi,
                                  int32_t& iImageYDpi);
   CFDE_XMLElement* GetPackageData(const CFX_WideStringC& wsPackage);
   FX_BOOL SavePackage(const CFX_WideStringC& wsPackage,
                       IFX_FileWrite* pFile,
-                      IXFA_ChecksumContext* pCSContext = NULL);
+                      CXFA_ChecksumContext* pCSContext = NULL);
   FX_BOOL ImportData(IFX_FileRead* pStream, FX_BOOL bXDP = TRUE);
 
  protected:
   IXFA_DocProvider* m_pDocProvider;
   CXFA_Document* m_pDocument;
   IFX_FileRead* m_pStream;
   CXFA_FFApp* m_pApp;
   CXFA_FFNotify* m_pNotify;
   CPDF_Document* m_pPDFDoc;
   CFX_MapPtrToPtr m_mapNamedImages;
   CFX_MapPtrToPtr m_mapTypeToDocView;
   uint32_t m_dwDocType;
   FX_BOOL m_bOwnStream;
 };
 
-#endif  // XFA_FXFA_APP_XFA_FFDOC_H_
+#endif  // XFA_INCLUDE_FXFA_XFA_FFDOC_H_