Use QuicSession::transport_version() instead of QuicConnection::transport_version() to make code cleaner.

gfe-relnote: code cleanup, not protected.
PiperOrigin-RevId: 267628510
Change-Id: I2b28c42ec2345870905e7e5d7e88721be86ad6e4
diff --git a/quic/core/http/quic_spdy_stream_test.cc b/quic/core/http/quic_spdy_stream_test.cc
index e09cbf4..572ba5c 100644
--- a/quic/core/http/quic_spdy_stream_test.cc
+++ b/quic/core/http/quic_spdy_stream_test.cc
@@ -1527,11 +1527,11 @@
       SupportedVersions(GetParam()));
   std::unique_ptr<TestMockUpdateStreamSession> session(
       new StrictMock<TestMockUpdateStreamSession>(connection));
-  auto stream = new StrictMock<TestStream>(
-      GetNthClientInitiatedBidirectionalStreamId(
-          session->connection()->transport_version(), 0),
-      session.get(),
-      /*should_process_data=*/true);
+  auto stream =
+      new StrictMock<TestStream>(GetNthClientInitiatedBidirectionalStreamId(
+                                     session->transport_version(), 0),
+                                 session.get(),
+                                 /*should_process_data=*/true);
   session->ActivateStream(QuicWrapUnique(stream));
 
   // QuicSpdyStream::SetPriority() should eventually call UpdateStreamPriority()