Rename fpdfsdk/fpdfxfa files to match contents

fpdfsdk/fpdfxfa/fpdfxfa_doc.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_FPDFXFA_DOC_H_
-#define FPDFSDK_FPDFXFA_FPDFXFA_DOC_H_
-
-#include <memory>
-
-#include "fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-
-class CPDFSDK_Document;
-class CPDFSDK_Environment;
-class CPDFXFA_App;
-class CPDFXFA_Page;
-class CXFA_FFDocHandler;
-class IJS_Runtime;
-class IJS_Context;
-
-enum LoadStatus {
-  FXFA_LOADSTATUS_PRELOAD = 0,
-  FXFA_LOADSTATUS_LOADING,
-  FXFA_LOADSTATUS_LOADED,
-  FXFA_LOADSTATUS_CLOSING,
-  FXFA_LOADSTATUS_CLOSED
-};
-
-class CPDFXFA_Document {
- public:
-  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);
-
-  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();
-
- protected:
-  friend class CPDFXFA_DocEnvironment;
-
-  int GetOriginalPageCount() const { return m_nPageCount; }
-  void SetOriginalPageCount(int count) {
-    m_nPageCount = count;
-    m_XFAPageList.SetSize(count);
-  }
-
-  LoadStatus GetLoadStatus() const { return m_nLoadStatus; }
-
-  CFX_ArrayTemplate<CPDFXFA_Page*>* GetXFAPageList() { return &m_XFAPageList; }
-
- private:
-  void CloseXFADoc(CXFA_FFDocHandler* pDoc) {
-    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;
-  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_FPDFXFA_DOC_H_