Buffer priority values in PRIORITY_UPDATE frames for not yet open streams.

gfe-relnote: n/a, change to QUIC v99-only code.  Protected by existing disabled gfe2_reloadable_flag_quic_enable_version_99.
PiperOrigin-RevId: 291618753
Change-Id: Ibf7d8545cc122f66bd9d1b7032b2aece751c3ed9
diff --git a/quic/core/http/quic_spdy_stream.cc b/quic/core/http/quic_spdy_stream.cc
index 5d5c176..29e0660 100644
--- a/quic/core/http/quic_spdy_stream.cc
+++ b/quic/core/http/quic_spdy_stream.cc
@@ -217,6 +217,8 @@
   if (VersionUsesHttp3(transport_version())) {
     sequencer()->set_level_triggered(true);
   }
+
+  spdy_session_->OnStreamCreated(this);
 }
 
 QuicSpdyStream::QuicSpdyStream(PendingStream* pending,
@@ -251,6 +253,8 @@
   if (VersionUsesHttp3(transport_version())) {
     sequencer()->set_level_triggered(true);
   }
+
+  spdy_session_->OnStreamCreated(this);
 }
 
 QuicSpdyStream::~QuicSpdyStream() {}