gfe-relnote: Deprecate gfe2_reloadable_flag_quic_use_http2_priority_write_scheduler.

PiperOrigin-RevId: 295739629
Change-Id: I33b5041cee89473cc944f93bb8c70bf7cb8f45d0

quic/core/http/quic_spdy_session.cc

diff --git a/quic/core/http/quic_spdy_session.cc b/quic/core/http/quic_spdy_session.cc
index 8215078..7d376fc 100644
--- a/quic/core/http/quic_spdy_session.cc
+++ b/quic/core/http/quic_spdy_session.cc
@@ -212,8 +212,6 @@
       session_->OnHeaders(
           stream_id, has_priority,
           spdy::SpdyStreamPrecedence(parent_stream_id, weight, exclusive), fin);
-      QUIC_RELOADABLE_FLAG_COUNT_N(quic_use_http2_priority_write_scheduler, 1,
-                                   3);
       return;
     }
 
@@ -257,8 +255,6 @@
     if (session_->use_http2_priority_write_scheduler()) {
       session_->OnPriority(
           stream_id, spdy::SpdyStreamPrecedence(parent_id, weight, exclusive));
-      QUIC_RELOADABLE_FLAG_COUNT_N(quic_use_http2_priority_write_scheduler, 2,
-                                   3);
       return;
     }
     SpdyPriority priority = Http2WeightToSpdy3Priority(weight);

quic/core/quic_session.cc

diff --git a/quic/core/quic_session.cc b/quic/core/quic_session.cc
index b507aa3..7d8bc54 100644
--- a/quic/core/quic_session.cc
+++ b/quic/core/quic_session.cc
@@ -1069,8 +1069,7 @@
       if (ContainsQuicTag(config_.ReceivedConnectionOptions(), kIFWA)) {
         AdjustInitialFlowControlWindows(1024 * 1024);
       }
-      if (GetQuicReloadableFlag(quic_use_http2_priority_write_scheduler) &&
-          ContainsQuicTag(config_.ReceivedConnectionOptions(), kH2PR) &&
+      if (ContainsQuicTag(config_.ReceivedConnectionOptions(), kH2PR) &&
           !VersionHasIetfQuicFrames(transport_version())) {
         // Enable HTTP2 (tree-style) priority write scheduler.
         use_http2_priority_write_scheduler_ =

quic/core/quic_session_test.cc

diff --git a/quic/core/quic_session_test.cc b/quic/core/quic_session_test.cc
index e374432..0679dcc 100644
--- a/quic/core/quic_session_test.cc
+++ b/quic/core/quic_session_test.cc
@@ -971,7 +971,6 @@
     // The test is using HTTP/2 priority which is not supported in IETF QUIC.
     return;
   }
-  SetQuicReloadableFlag(quic_use_http2_priority_write_scheduler, true);
   QuicTagVector copt;
   copt.push_back(kH2PR);
   QuicConfigPeer::SetReceivedConnectionOptions(session_.config(), copt);