fgas/ code cleanup.

xfa/fgas/crt/fgas_stream.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_FGAS_CRT_FGAS_STREAM_H_
 #define XFA_FGAS_CRT_FGAS_STREAM_H_
 
 #include "core/fxcrt/include/fx_stream.h"
 #include "core/fxcrt/include/fx_system.h"
 
 class IFX_Stream;
 
 IFX_FileRead* FX_CreateFileRead(IFX_Stream* pBaseStream,
                                 FX_BOOL bReleaseStream = FALSE);
-IFX_FileRead* FX_CreateFileRead(IFX_BufferRead* pBufferRead,
-                                FX_FILESIZE iFileSize = -1,
-                                FX_BOOL bReleaseStream = TRUE);
-IFX_FileWrite* FX_CreateFileWrite(IFX_Stream* pBaseStream,
-                                  FX_BOOL bReleaseStream = FALSE);
+
 enum FX_STREAMACCESS {
   FX_STREAMACCESS_Binary = 0x00,
   FX_STREAMACCESS_Text = 0x01,
   FX_STREAMACCESS_Read = 0x02,
   FX_STREAMACCESS_Write = 0x04,
   FX_STREAMACCESS_Truncate = 0x10,
   FX_STREAMACCESS_Append = 0x20,
   FX_STREAMACCESS_Create = 0x80,
 };
 
@@ skipping 37 matching lines @@
   virtual FX_BOOL SetLength(int32_t iLength) = 0;
   virtual int32_t GetBOM(uint8_t bom[4]) const = 0;
   virtual uint16_t GetCodePage() const = 0;
   virtual uint16_t SetCodePage(uint16_t wCodePage) = 0;
   virtual IFX_Stream* CreateSharedStream(uint32_t dwAccess,
                                          int32_t iOffset,
                                          int32_t iLength) = 0;
 };
 
 #endif  // XFA_FGAS_CRT_FGAS_STREAM_H_