Rename IFX_Stream to IFGAS_Stream.

xfa/fde/css/fde_csssyntax.h

Index: xfa/fde/css/fde_csssyntax.h
diff --git a/xfa/fde/css/fde_csssyntax.h b/xfa/fde/css/fde_csssyntax.h
index c2c80c5e6738744676d12211ad43b27f4bee64b7..03662037d94053e7a9b988f933e48e1076a56f98 100644
--- a/xfa/fde/css/fde_csssyntax.h
+++ b/xfa/fde/css/fde_csssyntax.h
@@ -18,7 +18,7 @@ class CFDE_CSSTextBuf : public CFX_Target {
 
   bool AttachBuffer(const FX_WCHAR* pBuffer, int32_t iBufLen);
   bool EstimateSize(int32_t iAllocSize);
-  int32_t LoadFromStream(IFX_Stream* pTxtStream,
+  int32_t LoadFromStream(IFGAS_Stream* pTxtStream,
                          int32_t iStreamOffset,
                          int32_t iMaxChars,
                          bool& bEOS);
@@ -80,7 +80,7 @@ class CFDE_CSSSyntaxParser : public CFX_Target {
   CFDE_CSSSyntaxParser();
   ~CFDE_CSSSyntaxParser() override;
 
-  bool Init(IFX_Stream* pStream,
+  bool Init(IFGAS_Stream* pStream,
             int32_t iCSSPlaneSize,
             int32_t iTextDataSize = 32,
             bool bOnlyDeclaration = false);
@@ -106,7 +106,7 @@ class CFDE_CSSSyntaxParser : public CFX_Target {
   bool IsImportEnabled() const;
   void DisableImport() { m_dwCheck = 0; }
 
-  IFX_Stream* m_pStream;
+  IFGAS_Stream* m_pStream;
   int32_t m_iStreamPos;
   int32_t m_iPlaneSize;
   CFDE_CSSTextBuf m_TextData;