Fix msan error in MoqtSessionTest

MOQT, not in production (and test code)

PiperOrigin-RevId: 987684897

quiche/quic/moqt/moqt_parser_test.cc

diff --git a/quiche/quic/moqt/moqt_parser_test.cc b/quiche/quic/moqt/moqt_parser_test.cc
index 66f77dd..95d0f33 100644
--- a/quiche/quic/moqt/moqt_parser_test.cc
+++ b/quiche/quic/moqt/moqt_parser_test.cc
@@ -1863,7 +1863,7 @@
   char buffer[5];
   quic::QuicDataWriter writer(sizeof(buffer), buffer);
   ASSERT_TRUE(writer.WriteMoqVarInt(kPaddingStreamType));
-  stream.Receive(writer.data(), true);
+  stream.Receive(absl::string_view(writer.data(), writer.length()), true);
   absl::StatusOr<uint64_t> type = type_parser.ReadStreamType();
   EXPECT_THAT(type, IsOkAndHolds(kPaddingStreamType));
 }

quiche/quic/moqt/moqt_session_test.cc

diff --git a/quiche/quic/moqt/moqt_session_test.cc b/quiche/quic/moqt/moqt_session_test.cc
index 8bc0162..9cf0a33 100644
--- a/quiche/quic/moqt/moqt_session_test.cc
+++ b/quiche/quic/moqt/moqt_session_test.cc
@@ -537,7 +537,8 @@
   quic::QuicDataWriter writer(sizeof(buffer), buffer);
   ASSERT_TRUE(writer.WriteMoqVarInt(kPaddingStreamType));
   ASSERT_TRUE(writer.WriteStringPiece("padding_data"));
-  padding_stream.Receive(writer.data(), true);
+  padding_stream.Receive(absl::string_view(writer.data(), writer.length()),
+                         true);
   EXPECT_CALL(mock_session_, AcceptIncomingUnidirectionalStream())
       .WillOnce(Return(&padding_stream))
       .WillOnce(Return(nullptr));
@@ -553,7 +554,8 @@
   char buffer[16];
   quic::QuicDataWriter writer(sizeof(buffer), buffer);
   ASSERT_TRUE(writer.WriteMoqVarInt(0x99));
-  unknown_stream.Receive(writer.data(), false);
+  unknown_stream.Receive(absl::string_view(writer.data(), writer.length()),
+                         false);
   EXPECT_CALL(mock_session_, AcceptIncomingUnidirectionalStream())
       .WillOnce(Return(&unknown_stream))
       .WillOnce(Return(nullptr));
@@ -574,12 +576,14 @@
   quic::QuicDataWriter writer(sizeof(buffer), buffer);
   ASSERT_TRUE(writer.WriteMoqVarInt(kPaddingDatagramType));
   ASSERT_TRUE(writer.WriteStringPiece("padding_data"));
-  session_.OnDatagramReceived(writer.data());
+  session_.OnDatagramReceived(
+      absl::string_view(writer.data(), writer.length()));
 
   char empty_buffer[16];
   quic::QuicDataWriter empty_writer(sizeof(empty_buffer), empty_buffer);
   ASSERT_TRUE(empty_writer.WriteMoqVarInt(kPaddingDatagramType));
-  session_.OnDatagramReceived(empty_writer.data());
+  session_.OnDatagramReceived(
+      absl::string_view(empty_writer.data(), empty_writer.length()));
 }
 
 TEST_F(MoqtSessionTest, Error) {