Make QUIC stateless rejects work in the face of packet loss by storing the SREJ packet(s) in the Qu…

net/tools/quic/quic_dispatcher.cc

Index: net/tools/quic/quic_dispatcher.cc
diff --git a/net/tools/quic/quic_dispatcher.cc b/net/tools/quic/quic_dispatcher.cc
index 47d47fff818dbfafd21bf314c2f5da1c641a4e1f..c52f95c9a78e434ea04a99169fcd12033bef3c20 100644
--- a/net/tools/quic/quic_dispatcher.cc
+++ b/net/tools/quic/quic_dispatcher.cc
@@ -359,13 +359,15 @@ QuicDispatcher::QuicPacketFate QuicDispatcher::ValidityChecks(
 void QuicDispatcher::CleanUpSession(SessionMap::iterator it,
                                     bool should_close_statelessly) {
   QuicConnection* connection = it->second->connection();
-  QuicEncryptedPacket* connection_close_packet =
-      connection->ReleaseConnectionClosePacket();
+
   write_blocked_list_.erase(connection);
-  DCHECK(!should_close_statelessly || !connection_close_packet);
+  if (should_close_statelessly) {
+    DCHECK(connection->termination_packets() != nullptr &&
+           !connection->termination_packets()->empty());
+  }
   time_wait_list_manager_->AddConnectionIdToTimeWait(
       it->first, connection->version(), should_close_statelessly,
-      connection_close_packet);
+      connection->termination_packets());
   session_map_.erase(it);
 }