4 files changed, 9 insertions, 8 deletions
diff --git a/xfa/fgas/crt/cfgas_formatstring.cpp b/xfa/fgas/crt/cfgas_formatstring.cpp
index 6cb8281993..6d940d6c94 100644
--- a/xfa/fgas/crt/cfgas_formatstring.cpp
+++ b/xfa/fgas/crt/cfgas_formatstring.cpp
@@ -10,7 +10,7 @@
 #include <vector>
 
 #include "core/fxcrt/cfx_decimal.h"
-#include "core/fxcrt/fx_ext.h"
+#include "core/fxcrt/fx_extension.h"
 #include "core/fxcrt/xml/cxml_element.h"
 
 #define FX_LOCALECATEGORY_DateHash 0xbde9abde
diff --git a/xfa/fgas/font/cfgas_fontmgr.cpp b/xfa/fgas/font/cfgas_fontmgr.cpp
index e0b71118d9..74c284012f 100644
--- a/xfa/fgas/font/cfgas_fontmgr.cpp
+++ b/xfa/fgas/font/cfgas_fontmgr.cpp
@@ -678,12 +678,11 @@ bool CFX_FontSourceEnum_File::HasStartPosition() {
   return m_wsNext.GetLength() != 0;
 }
 
-CFX_RetainPtr<IFX_FileAccess> CFX_FontSourceEnum_File::GetNext() {
+CFX_RetainPtr<CFX_CRTFileAccess> CFX_FontSourceEnum_File::GetNext() {
   if (m_wsNext.GetLength() == 0)
     return nullptr;
 
-  CFX_RetainPtr<IFX_FileAccess> pAccess =
-      IFX_FileAccess::CreateDefault(m_wsNext.AsStringC());
+  auto pAccess = pdfium::MakeRetain<CFX_CRTFileAccess>(m_wsNext.AsStringC());
   m_wsNext = GetNextFile().UTF8Decode();
   return pAccess;
 }
@@ -733,7 +732,8 @@ bool CFGAS_FontMgr::EnumFontsFromFiles() {
   if (!m_pFontSource->HasStartPosition())
     return !m_InstalledFonts.empty();
 
-  while (CFX_RetainPtr<IFX_FileAccess> pFontSource = m_pFontSource->GetNext()) {
+  while (CFX_RetainPtr<CFX_CRTFileAccess> pFontSource =
+             m_pFontSource->GetNext()) {
     CFX_RetainPtr<IFX_SeekableReadStream> pFontStream =
         pFontSource->CreateFileStream(FX_FILEMODE_ReadOnly);
     if (pFontStream)
diff --git a/xfa/fgas/font/cfgas_fontmgr.h b/xfa/fgas/font/cfgas_fontmgr.h
index cca999a869..1ef78a79a6 100644
--- a/xfa/fgas/font/cfgas_fontmgr.h
+++ b/xfa/fgas/font/cfgas_fontmgr.h
@@ -13,9 +13,10 @@
 #include <set>
 #include <vector>
 
+#include "core/fxcrt/cfx_crtfileaccess.h"
 #include "core/fxcrt/cfx_retain_ptr.h"
 #include "core/fxcrt/cfx_seekablestreamproxy.h"
-#include "core/fxcrt/fx_ext.h"
+#include "core/fxcrt/fx_extension.h"
 #include "core/fxge/cfx_fontmapper.h"
 #include "core/fxge/fx_freetype.h"
 #include "core/fxge/ifx_systemfontinfo.h"
@@ -169,7 +170,7 @@ class CFX_FontSourceEnum_File {
   ~CFX_FontSourceEnum_File();
 
   bool HasStartPosition();
-  CFX_RetainPtr<IFX_FileAccess> GetNext();
+  CFX_RetainPtr<CFX_CRTFileAccess> GetNext();
 
  private:
   CFX_ByteString GetNextFile();
diff --git a/xfa/fgas/font/fgas_fontutils.cpp b/xfa/fgas/font/fgas_fontutils.cpp
index 82930094ec..44f9423297 100644
--- a/xfa/fgas/font/fgas_fontutils.cpp
+++ b/xfa/fgas/font/fgas_fontutils.cpp
@@ -7,7 +7,7 @@
 #include "xfa/fgas/font/fgas_fontutils.h"
 
 #include "core/fxcrt/fx_codepage.h"
-#include "core/fxcrt/fx_ext.h"
+#include "core/fxcrt/fx_extension.h"
 #include "xfa/fgas/font/cfgas_fontmgr.h"
 
 namespace {