Do not send QPACK Stream Cancellation instruction.

This partially reverts cl/282861038.

gfe-relnote: n/a, change to QUIC v99-only code.  Protected by existing disabled gfe2_reloadable_flag_quic_enable_version_99.
PiperOrigin-RevId: 283820632
Change-Id: Ibef99ad60c66c2ba20803dca9af0fba7212b6f8b

quic/core/http/quic_spdy_stream.cc

diff --git a/quic/core/http/quic_spdy_stream.cc b/quic/core/http/quic_spdy_stream.cc
index d25f99d..f7a13f6 100644
--- a/quic/core/http/quic_spdy_stream.cc
+++ b/quic/core/http/quic_spdy_stream.cc
@@ -680,10 +680,7 @@
 
 void QuicSpdyStream::OnStreamReset(const QuicRstStreamFrame& frame) {
   if (frame.error_code != QUIC_STREAM_NO_ERROR) {
-    if (VersionUsesHttp3(transport_version()) && !fin_received() &&
-        spdy_session_->qpack_decoder()) {
-      spdy_session_->qpack_decoder()->OnStreamReset(id());
-    }
+    // TODO(b/145684124) Call QpackDecoder::OnStreamReset().
 
     QuicStream::OnStreamReset(frame);
     return;
@@ -698,10 +695,7 @@
 }
 
 void QuicSpdyStream::Reset(QuicRstStreamErrorCode error) {
-  if (VersionUsesHttp3(transport_version()) && !fin_received() &&
-      spdy_session_->qpack_decoder()) {
-    spdy_session_->qpack_decoder()->OnStreamReset(id());
-  }
+  // TODO(b/145684124) Call QpackDecoder::OnStreamReset().
 
   QuicStream::Reset(error);
 }

quic/core/http/quic_spdy_stream_test.cc

diff --git a/quic/core/http/quic_spdy_stream_test.cc b/quic/core/http/quic_spdy_stream_test.cc
index f834865..62ef3b5 100644
--- a/quic/core/http/quic_spdy_stream_test.cc
+++ b/quic/core/http/quic_spdy_stream_test.cc
@@ -2531,7 +2531,8 @@
 
 // Stream Cancellation instruction is sent on QPACK decoder stream
 // when stream is reset.
-TEST_P(QuicSpdyStreamTest, StreamCancellationWhenStreamReset) {
+// TODO(b/145684124) Re-enable.
+TEST_P(QuicSpdyStreamTest, DISABLED_StreamCancellationWhenStreamReset) {
   if (!UsesHttp3()) {
     return;
   }
@@ -2550,7 +2551,8 @@
 
 // Stream Cancellation instruction is sent on QPACK decoder stream
 // when RESET_STREAM frame is received.
-TEST_P(QuicSpdyStreamTest, StreamCancellationOnResetReceived) {
+// TODO(b/145684124) Re-enable.
+TEST_P(QuicSpdyStreamTest, DISABLED_StreamCancellationOnResetReceived) {
   if (!UsesHttp3()) {
     return;
   }