core/ difference with XFA (for information only).

core/include/fxcrt/fx_stream.h

Index: core/include/fxcrt/fx_stream.h
diff --git a/core/include/fxcrt/fx_stream.h b/core/include/fxcrt/fx_stream.h
index a5599b04d0730c0797e5a916188b7d150e4b03db..300bfb194145a976b1a2ceb6ed1996b8bd9d24b7 100644
--- a/core/include/fxcrt/fx_stream.h
+++ b/core/include/fxcrt/fx_stream.h
@@ -127,6 +127,18 @@ class IFX_FileStream : public IFX_FileRead, public IFX_FileWrite {
 IFX_FileStream* FX_CreateFileStream(const FX_CHAR* filename, FX_DWORD dwModes);
 IFX_FileStream* FX_CreateFileStream(const FX_WCHAR* filename, FX_DWORD dwModes);
 
+#ifdef PDF_ENABLE_XFA
+class IFX_FileAccess {
+ public:
+  virtual ~IFX_FileAccess() {}
+  virtual void Release() = 0;
+  virtual IFX_FileAccess* Retain() = 0;
+  virtual void GetPath(CFX_WideString& wsPath) = 0;
+  virtual IFX_FileStream* CreateFileStream(FX_DWORD dwModes) = 0;
+};
+IFX_FileAccess* FX_CreateDefaultFileAccess(const CFX_WideStringC& wsPath);
+
+#endif
 class IFX_MemoryStream : public IFX_FileStream {
  public:
   virtual FX_BOOL IsConsecutive() const = 0;