8 files changed, 13 insertions, 14 deletions
diff --git a/xfa/fgas/crt/fgas_stream.cpp b/xfa/fgas/crt/fgas_stream.cpp
index c3850c00bb..73d3d0b661 100644
--- a/xfa/fgas/crt/fgas_stream.cpp
+++ b/xfa/fgas/crt/fgas_stream.cpp
@@ -1452,10 +1452,8 @@ IFX_Stream* CFX_Stream::CreateSharedStream(uint32_t dwAccess,
   return pShared;
 }
 
-IFX_SeekableReadStream* FX_CreateFileRead(IFX_Stream* pBaseStream,
-                                          bool bReleaseStream) {
-  ASSERT(pBaseStream);
-  return new CFGAS_FileRead(pBaseStream, bReleaseStream);
+IFX_SeekableReadStream* IFX_Stream::MakeSeekableReadStream() {
+  return new CFGAS_FileRead(this, false);
 }
 
 CFGAS_FileRead::CFGAS_FileRead(IFX_Stream* pStream, bool bReleaseStream)
diff --git a/xfa/fgas/crt/fgas_stream.h b/xfa/fgas/crt/fgas_stream.h
index 674007e935..413927d22f 100644
--- a/xfa/fgas/crt/fgas_stream.h
+++ b/xfa/fgas/crt/fgas_stream.h
@@ -37,6 +37,7 @@ class IFX_Stream {
                                   uint32_t dwAccess);
   static IFX_Stream* CreateTextStream(IFX_Stream* pBaseStream,
                                       bool bDeleteOnRelease);
+
   virtual ~IFX_Stream() {}
   virtual void Release() = 0;
   virtual IFX_Stream* Retain() = 0;
@@ -61,9 +62,9 @@ class IFX_Stream {
   virtual int32_t GetBOM(uint8_t bom[4]) const = 0;
   virtual uint16_t GetCodePage() const = 0;
   virtual uint16_t SetCodePage(uint16_t wCodePage) = 0;
+
+  IFX_SeekableReadStream* MakeSeekableReadStream();
 };
 
-IFX_SeekableReadStream* FX_CreateFileRead(IFX_Stream* pBaseStream,
-                                          bool bReleaseStream);
 
 #endif  // XFA_FGAS_CRT_FGAS_STREAM_H_
diff --git a/xfa/fgas/font/cfgas_fontmgr.cpp b/xfa/fgas/font/cfgas_fontmgr.cpp
index 9b95318bd0..219e67dbc6 100644
--- a/xfa/fgas/font/cfgas_fontmgr.cpp
+++ b/xfa/fgas/font/cfgas_fontmgr.cpp
@@ -909,7 +909,7 @@ IFX_SeekableReadStream* CFGAS_FontMgr::CreateFontStream(
   uint8_t* pBuffer = FX_Alloc(uint8_t, dwFileSize + 1);
   dwFileSize = pSystemFontInfo->GetFontData(hFont, 0, pBuffer, dwFileSize);
 
-  return FX_CreateMemoryStream(pBuffer, dwFileSize, true);
+  return IFX_MemoryStream::Create(pBuffer, dwFileSize, true);
 }
 
 IFX_SeekableReadStream* CFGAS_FontMgr::CreateFontStream(
diff --git a/xfa/fgas/font/cfgas_gefont.cpp b/xfa/fgas/font/cfgas_gefont.cpp
index ffe791aab5..c1dfa2b5b9 100644
--- a/xfa/fgas/font/cfgas_gefont.cpp
+++ b/xfa/fgas/font/cfgas_gefont.cpp
@@ -209,7 +209,7 @@ bool CFGAS_GEFont::LoadFontInternal(IFX_Stream* pFontStream, bool bSaveStream) {
   if (bSaveStream)
     m_pStream.reset(pFontStream);
 
-  m_pFileRead.reset(FX_CreateFileRead(pFontStream, false));
+  m_pFileRead.reset(pFontStream->MakeSeekableReadStream());
   m_pFont = new CFX_Font;
   if (m_pFont->LoadFile(m_pFileRead.get()))
     return InitFont();
diff --git a/xfa/fxfa/app/xfa_ffdoc.cpp b/xfa/fxfa/app/xfa_ffdoc.cpp
index 1b5665bb08..cf5b289613 100644
--- a/xfa/fxfa/app/xfa_ffdoc.cpp
+++ b/xfa/fxfa/app/xfa_ffdoc.cpp
@@ -417,8 +417,8 @@ CFX_DIBitmap* CXFA_FFDoc::GetPDFNamedImage(const CFX_WideStringC& wsName,
   CPDF_StreamAcc streamAcc;
   streamAcc.LoadAllData(pStream);
 
-  IFX_SeekableReadStream* pImageFileRead =
-      FX_CreateMemoryStream((uint8_t*)streamAcc.GetData(), streamAcc.GetSize());
+  IFX_SeekableReadStream* pImageFileRead = IFX_MemoryStream::Create(
+      (uint8_t*)streamAcc.GetData(), streamAcc.GetSize());
 
   CFX_DIBitmap* pDibSource = XFA_LoadImageFromBuffer(
       pImageFileRead, FXCODEC_IMAGE_UNKNOWN, iImageXDpi, iImageYDpi);
diff --git a/xfa/fxfa/app/xfa_ffwidget.cpp b/xfa/fxfa/app/xfa_ffwidget.cpp
index e6c0c595b2..bc1854eb42 100644
--- a/xfa/fxfa/app/xfa_ffwidget.cpp
+++ b/xfa/fxfa/app/xfa_ffwidget.cpp
@@ -1066,11 +1066,11 @@ CFX_DIBitmap* XFA_LoadImageData(CXFA_FFDoc* pDoc,
       pImageBuffer = FX_Alloc(uint8_t, iLength);
       int32_t iRead = XFA_Base64Decode(bsData.c_str(), pImageBuffer);
       if (iRead > 0) {
-        pImageFileRead = FX_CreateMemoryStream(pImageBuffer, iRead);
+        pImageFileRead = IFX_MemoryStream::Create(pImageBuffer, iRead);
       }
     } else {
       bsContent = CFX_ByteString::FromUnicode(wsImage);
-      pImageFileRead = FX_CreateMemoryStream(
+      pImageFileRead = IFX_MemoryStream::Create(
           const_cast<uint8_t*>(bsContent.raw_str()), bsContent.GetLength());
     }
   } else {
diff --git a/xfa/fxfa/parser/cxfa_dataexporter.cpp b/xfa/fxfa/parser/cxfa_dataexporter.cpp
index ad9693f98f..1ec9c44de6 100644
--- a/xfa/fxfa/parser/cxfa_dataexporter.cpp
+++ b/xfa/fxfa/parser/cxfa_dataexporter.cpp
@@ -197,7 +197,7 @@ void RegenerateFormFile_Changed(CXFA_Node* pNode,
         if (!pRichTextXML)
           break;
 
-        IFX_MemoryStream* pMemStream = FX_CreateMemoryStream(true);
+        IFX_MemoryStream* pMemStream = IFX_MemoryStream::Create(true);
         IFX_Stream* pTempStream = IFX_Stream::CreateStream(
             (IFX_SeekableWriteStream*)pMemStream, FX_STREAMACCESS_Text |
                                                       FX_STREAMACCESS_Write |
diff --git a/xfa/fxfa/parser/cxfa_node.cpp b/xfa/fxfa/parser/cxfa_node.cpp
index 18ea41419a..05ddcfc71b 100644
--- a/xfa/fxfa/parser/cxfa_node.cpp
+++ b/xfa/fxfa/parser/cxfa_node.cpp
@@ -1442,7 +1442,7 @@ void CXFA_Node::Script_NodeClass_SaveXML(CFXJSE_Arguments* pArguments) {
       XFA_DataExporter_DealWithDataGroupNode(this);
     }
     std::unique_ptr<IFX_MemoryStream, ReleaseDeleter<IFX_MemoryStream>>
-        pMemoryStream(FX_CreateMemoryStream(true));
+        pMemoryStream(IFX_MemoryStream::Create(true));
     std::unique_ptr<IFX_Stream, ReleaseDeleter<IFX_Stream>> pStream(
         IFX_Stream::CreateStream(
             static_cast<IFX_SeekableWriteStream*>(pMemoryStream.get()),