Rename IFX_ stream names

fpdfsdk/fpdf_dataavail.cpp

 // 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
 
 #include "public/fpdf_dataavail.h"
 
 #include <memory>
 #include <utility>
@@ skipping 39 matching lines @@
 
   // CPDF_DataAvail::FileAvail:
   FX_BOOL IsDataAvail(FX_FILESIZE offset, uint32_t size) override {
     return m_pfileAvail->IsDataAvail(m_pfileAvail, offset, size);
   }
 
  private:
   FX_FILEAVAIL* m_pfileAvail;
 };
 
-class CFPDF_FileAccessWrap : public IFX_FileRead {
+class CFPDF_FileAccessWrap : public IFX_SeekableReadStream {
  public:
   CFPDF_FileAccessWrap() { m_pFileAccess = nullptr; }
   ~CFPDF_FileAccessWrap() override {}
 
   void Set(FPDF_FILEACCESS* pFile) { m_pFileAccess = pFile; }
 
-  // IFX_FileRead
+  // IFX_SeekableReadStream
   FX_FILESIZE GetSize() override { return m_pFileAccess->m_FileLen; }
 
   FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override {
     return m_pFileAccess->m_GetBlock(m_pFileAccess->m_Param, offset,
                                      (uint8_t*)buffer, size);
   }
 
   void Release() override {}
 
  private:
@@ skipping 102 matching lines @@
   CFPDF_DownloadHintsWrap hints_wrap(hints);
   return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsFormAvail(
       &hints_wrap);
 }
 
 DLLEXPORT int STDCALL FPDFAvail_IsLinearized(FPDF_AVAIL avail) {
   if (!avail)
     return PDF_LINEARIZATION_UNKNOWN;
   return CFPDFDataAvailFromFPDFAvail(avail)->m_pDataAvail->IsLinearizedPDF();
 }