Remove CFX_MemoryStream uses in tests.

Replace with CFX_BufferSeekableReadStream, which allows for spans and
const inputs.

Change CXFA_DocumentParser to take IFX_SeekableReadStream instead of
IFX_SeekableStream in the process.

Change-Id: I0168451350c9fc250231f0414c38738a4d86ca42
Reviewed-on: https://pdfium-review.googlesource.com/38852
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/xfa/fxfa/parser/cxfa_document_parser.cpp b/xfa/fxfa/parser/cxfa_document_parser.cpp
index 27d80cde15..b126d8267f 100644
--- a/xfa/fxfa/parser/cxfa_document_parser.cpp
+++ b/xfa/fxfa/parser/cxfa_document_parser.cpp
@@ -318,8 +318,9 @@ CXFA_DocumentParser::CXFA_DocumentParser(CXFA_Document* pFactory)
 
 CXFA_DocumentParser::~CXFA_DocumentParser() = default;
 
-bool CXFA_DocumentParser::Parse(const RetainPtr<IFX_SeekableStream>& pStream,
-                                XFA_PacketType ePacketID) {
+bool CXFA_DocumentParser::Parse(
+    const RetainPtr<IFX_SeekableReadStream>& pStream,
+    XFA_PacketType ePacketID) {
   xml_doc_ = LoadXML(pStream);
   if (!xml_doc_)
     return false;
@@ -342,7 +343,7 @@ CFX_XMLNode* CXFA_DocumentParser::ParseXMLData(const ByteString& wsXML) {
 }
 
 std::unique_ptr<CFX_XMLDocument> CXFA_DocumentParser::LoadXML(
-    const RetainPtr<IFX_SeekableStream>& pStream) {
+    const RetainPtr<IFX_SeekableReadStream>& pStream) {
   ASSERT(pStream);
 
   CFX_XMLParser parser(pStream);