Confirm QUIC alternative service upon success.

net/quic/quic_stream_factory.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_stream_factory.h"
 
 #include <set>
 
 #include "base/cpu.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 1116 matching lines @@
 }
 
 void QuicStreamFactory::ProcessGoingAwaySession(
     QuicClientSession* session,
     const QuicServerId& server_id,
     bool session_was_active) {
   if (!http_server_properties_)
     return;
 
   const QuicConnectionStats& stats = session->connection()->GetStats();
+  const AlternativeService alternative_service(QUIC,
+                                               server_id.host_port_pair());
   if (session->IsCryptoHandshakeConfirmed()) {
+    http_server_properties_->ConfirmAlternativeService(alternative_service);
     ServerNetworkStats network_stats;
     network_stats.srtt = base::TimeDelta::FromMicroseconds(stats.srtt_us);
     network_stats.bandwidth_estimate = stats.estimated_bandwidth;
     http_server_properties_->SetServerNetworkStats(server_id.host_port_pair(),
                                                    network_stats);
     return;
   }
 
   UMA_HISTOGRAM_COUNTS("Net.QuicHandshakeNotConfirmedNumPacketsReceived",
                        stats.packets_received);
 
   if (!session_was_active)
     return;
 
   // TODO(rch):  In the special case where the session has received no
   // packets from the peer, we should consider blacklisting this
   // differently so that we still race TCP but we don't consider the
   // session connected until the handshake has been confirmed.
   HistogramBrokenAlternateProtocolLocation(
       BROKEN_ALTERNATE_PROTOCOL_LOCATION_QUIC_STREAM_FACTORY);
 
   // Since the session was active, there's no longer an
   // HttpStreamFactoryImpl::Job running which can mark it broken, unless the TCP
   // job also fails. So to avoid not using QUIC when we otherwise could, we mark
   // it as recently broken, which means that 0-RTT will be disabled but we'll
   // still race.
-  const HostPortPair& server = server_id.host_port_pair();
   http_server_properties_->MarkAlternativeServiceRecentlyBroken(
-      AlternativeService(QUIC, server.host(), server.port()));
+      alternative_service);
 }
 
 }  // namespace net