Disable QUIC port selection when the server is going away.

net/quic/quic_stream_factory.h

 // 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.
 
 #ifndef NET_QUIC_QUIC_STREAM_FACTORY_H_
 #define NET_QUIC_QUIC_STREAM_FACTORY_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 206 matching lines @@
   // Contains owning pointers to all sessions that currently exist.
   SessionSet all_sessions_;
   // Contains non-owning pointers to currently active session
   // (not going away session, once they're implemented).
   SessionMap active_sessions_;
   // Map from session to set of aliases that this session is known by.
   SessionAliasMap session_aliases_;
   // Map from IP address to sessions which are connected to this address.
   IPAliasMap ip_aliases_;
 
+  // Origins which have gone away recently.
+  AliasSet gone_away_aliases_;
+
   // Contains owning pointers to QuicCryptoClientConfig. QuicCryptoClientConfig
   // contains configuration and cached state about servers.
   // TODO(rtenneti): Persist all_crypto_configs_ to disk and decide when to
   // clear the data in the map.
   CryptoConfigMap all_crypto_configs_;
 
   // Contains a map of servers which could share the same server config. Map
   // from a Canonical host/port (host is some postfix of host names) to an
   // actual origin, which has a plausible set of initial certificates (or at
   // least server public key).
@@ skipping 28 matching lines @@
   uint64 port_seed_;
 
   base::WeakPtrFactory<QuicStreamFactory> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicStreamFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_STREAM_FACTORY_H_