Convert IFX_MemoryStream to CFX_MemoryStream

The CFX_MemoryStream is the only implementation of IFX_MemoryStream.
This CL removes the interfaces and uses CFX_MemoryStream directly.

Change-Id: I2f43fa39e82dafa7673517d214ae15fd2d0df331
Reviewed-on: https://pdfium-review.googlesource.com/4391
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

4 files changed, 14 insertions, 9 deletions

diff --git a/xfa/fxfa/cxfa_ffdoc.cpp b/xfa/fxfa/cxfa_ffdoc.cpp
index 5e36c08ff0..228c4948b6 100644
--- a/xfa/fxfa/cxfa_ffdoc.cpp
+++ b/xfa/fxfa/cxfa_ffdoc.cpp
@@ -15,6 +15,7 @@
 #include "core/fpdfapi/parser/fpdf_parser_decode.h"
 #include "core/fpdfdoc/cpdf_nametree.h"
 #include "core/fxcrt/cfx_checksumcontext.h"
+#include "core/fxcrt/cfx_memorystream.h"
 #include "core/fxcrt/fx_extension.h"
 #include "core/fxcrt/fx_memory.h"
 #include "core/fxcrt/xml/cfx_xmlelement.h"
@@ -389,8 +390,9 @@ CFX_RetainPtr<CFX_DIBitmap> CXFA_FFDoc::GetPDFNamedImage(
   auto pAcc = pdfium::MakeRetain<CPDF_StreamAcc>(pStream);
   pAcc->LoadAllData();
 
-  CFX_RetainPtr<IFX_SeekableStream> pImageFileRead = IFX_MemoryStream::Create(
-      const_cast<uint8_t*>(pAcc->GetData()), pAcc->GetSize());
+  CFX_RetainPtr<IFX_SeekableStream> pImageFileRead =
+      pdfium::MakeRetain<CFX_MemoryStream>(
+          const_cast<uint8_t*>(pAcc->GetData()), pAcc->GetSize(), false);
 
   CFX_RetainPtr<CFX_DIBitmap> pDibSource = XFA_LoadImageFromBuffer(
       pImageFileRead, FXCODEC_IMAGE_UNKNOWN, iImageXDpi, iImageYDpi);
diff --git a/xfa/fxfa/cxfa_ffwidget.cpp b/xfa/fxfa/cxfa_ffwidget.cpp
index 18d6f94bc7..bdadba7c85 100644
--- a/xfa/fxfa/cxfa_ffwidget.cpp
+++ b/xfa/fxfa/cxfa_ffwidget.cpp
@@ -14,6 +14,7 @@
 #include "core/fxcodec/codec/ccodec_progressivedecoder.h"
 #include "core/fxcodec/fx_codec.h"
 #include "core/fxcrt/cfx_maybe_owned.h"
+#include "core/fxcrt/cfx_memorystream.h"
 #include "core/fxge/cfx_gemodule.h"
 #include "core/fxge/cfx_pathdata.h"
 #include "core/fxge/cfx_renderdevice.h"
@@ -1062,12 +1063,14 @@ CFX_RetainPtr<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 = IFX_MemoryStream::Create(pImageBuffer, iRead);
+        pImageFileRead =
+            pdfium::MakeRetain<CFX_MemoryStream>(pImageBuffer, iRead, false);
       }
     } else {
       bsContent = CFX_ByteString::FromUnicode(wsImage);
-      pImageFileRead = IFX_MemoryStream::Create(
-          const_cast<uint8_t*>(bsContent.raw_str()), bsContent.GetLength());
+      pImageFileRead = pdfium::MakeRetain<CFX_MemoryStream>(
+          const_cast<uint8_t*>(bsContent.raw_str()), bsContent.GetLength(),
+          false);
     }
   } else {
     CFX_WideString wsURL = wsHref;
diff --git a/xfa/fxfa/parser/cxfa_dataexporter.cpp b/xfa/fxfa/parser/cxfa_dataexporter.cpp
index 0c702fe53c..70748f2666 100644
--- a/xfa/fxfa/parser/cxfa_dataexporter.cpp
+++ b/xfa/fxfa/parser/cxfa_dataexporter.cpp
@@ -8,6 +8,7 @@
 
 #include <vector>
 
+#include "core/fxcrt/cfx_memorystream.h"
 #include "core/fxcrt/fx_basic.h"
 #include "core/fxcrt/fx_codepage.h"
 #include "core/fxcrt/xml/cfx_xmldoc.h"
@@ -224,8 +225,7 @@ void RegenerateFormFile_Changed(CXFA_Node* pNode,
         if (!pRichTextXML)
           break;
 
-        CFX_RetainPtr<IFX_MemoryStream> pMemStream =
-            IFX_MemoryStream::Create(true);
+        auto pMemStream = pdfium::MakeRetain<CFX_MemoryStream>(true);
         auto pTempStream =
             pdfium::MakeRetain<CFX_SeekableStreamProxy>(pMemStream, true);
 
diff --git a/xfa/fxfa/parser/cxfa_node.cpp b/xfa/fxfa/parser/cxfa_node.cpp
index a3c9ee42e0..d6d2ece428 100644
--- a/xfa/fxfa/parser/cxfa_node.cpp
+++ b/xfa/fxfa/parser/cxfa_node.cpp
@@ -13,6 +13,7 @@
 #include <vector>
 
 #include "core/fxcrt/cfx_decimal.h"
+#include "core/fxcrt/cfx_memorystream.h"
 #include "core/fxcrt/fx_codepage.h"
 #include "core/fxcrt/fx_extension.h"
 #include "core/fxcrt/xml/cfx_xmlelement.h"
@@ -1406,8 +1407,7 @@ void CXFA_Node::Script_NodeClass_SaveXML(CFXJSE_Arguments* pArguments) {
       }
       XFA_DataExporter_DealWithDataGroupNode(this);
     }
-    CFX_RetainPtr<IFX_MemoryStream> pMemoryStream =
-        IFX_MemoryStream::Create(true);
+    auto pMemoryStream = pdfium::MakeRetain<CFX_MemoryStream>(true);
     auto pStream =
         pdfium::MakeRetain<CFX_SeekableStreamProxy>(pMemoryStream, true);
     pStream->SetCodePage(FX_CODEPAGE_UTF8);