Remove IXFA_* interfaces.

xfa/fxfa/app/xfa_ffapp.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_FFAPP_H_
-#define XFA_FXFA_APP_XFA_FFAPP_H_
-
-#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
-#include "xfa/fgas/font/fgas_font.h"
-#include "xfa/fwl/core/fwl_sdadapterimp.h"
-#include "xfa/fwl/core/ifwl_adapternative.h"
-#include "xfa/fwl/core/ifwl_app.h"
-#include "xfa/include/fxfa/fxfa.h"
-
-class CXFA_FWLAdapterWidgetMgr;
-class CXFA_FWLTheme;
-class CXFA_FFDocHandler;
-class CXFA_FFMenuHandler;
-class CXFA_FontMgr;
-
-class CXFA_FileRead : public IFX_FileRead {
- public:
-  explicit CXFA_FileRead(const CFX_ArrayTemplate<CPDF_Stream*>& streams);
-
-  virtual FX_FILESIZE GetSize();
-  virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size);
-
-  virtual void Release() { delete this; }
-
- protected:
-  CFX_ObjectArray<CPDF_StreamAcc> m_Data;
-};
-
-class CXFA_FFApp : public IXFA_App, public IFWL_AdapterNative {
- public:
-  CXFA_FFApp(IXFA_AppProvider* pProvider);
-  ~CXFA_FFApp() override;
-
-  // IFXFA_App:
-  IXFA_DocHandler* GetDocHandler() override;
-  IXFA_Doc* CreateDoc(IXFA_DocProvider* pProvider,
-                      IFX_FileRead* pStream,
-                      FX_BOOL bTakeOverFile) override;
-  IXFA_Doc* CreateDoc(IXFA_DocProvider* pProvider,
-                      CPDF_Document* pPDFDoc) override;
-  IXFA_AppProvider* GetAppProvider() override { return m_pProvider; }
-  void SetDefaultFontMgr(IXFA_FontMgr* pFontMgr) override;
-  IXFA_MenuHandler* GetMenuHandler() override;
-
-  // IFWL_AdapterNative:
-  IFWL_AdapterWidgetMgr* GetWidgetMgr(
-      IFWL_WidgetMgrDelegate* pDelegate) override;
-  IFWL_AdapterThreadMgr* GetThreadMgr() override;
-  IFWL_AdapterTimerMgr* GetTimerMgr() override;
-
-  CXFA_FontMgr* GetXFAFontMgr();
-  IFX_FontMgr* GetFDEFontMgr();
-  CXFA_FWLTheme* GetFWLTheme();
-  IFWL_WidgetMgrDelegate* GetWidgetMgrDelegate() {
-    return m_pWidgetMgrDelegate;
-  }
-
- protected:
-  CXFA_FFDocHandler* m_pDocHandler;
-  IFWL_App* m_pFWLApp;
-  CXFA_FWLTheme* m_pFWLTheme;
-  IXFA_AppProvider* m_pProvider;
-  CXFA_FontMgr* m_pFontMgr;
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-  IFX_FontSourceEnum* m_pFontSource;
-#endif
-  CXFA_FWLAdapterWidgetMgr* m_pAdapterWidgetMgr;
-  IFWL_WidgetMgrDelegate* m_pWidgetMgrDelegate;
-  IFX_FontMgr* m_pFDEFontMgr;
-  CXFA_FFMenuHandler* m_pMenuHandler;
-  CFWL_SDAdapterThreadMgr* m_pAdapterThreadMgr;
-};
-
-#endif  // XFA_FXFA_APP_XFA_FFAPP_H_