Migrates QUIC sessions to a new network when old network is (about to be) disconnected.

net/http/http_network_session.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/http/http_network_session.h"
 
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/debug/stack_trace.h"
@@ skipping 100 matching lines @@
       quic_store_server_configs_in_properties(false),
       quic_clock(NULL),
       quic_random(NULL),
       quic_max_packet_length(kDefaultMaxPacketSize),
       enable_user_alternate_protocol_ports(false),
       quic_crypto_client_stream_factory(NULL),
       quic_max_recent_disabled_reasons(kQuicMaxRecentDisabledReasons),
       quic_threshold_public_resets_post_handshake(0),
       quic_threshold_timeouts_streams_open(0),
       quic_close_sessions_on_ip_change(false),
+      quic_migrate_sessions_on_network_change(false),
       proxy_delegate(NULL) {
   quic_supported_versions.push_back(QUIC_VERSION_27);
 }
 
 HttpNetworkSession::Params::~Params() {}
 
 // TODO(mbelshe): Move the socket factories into HttpStreamFactory.
 HttpNetworkSession::HttpNetworkSession(const Params& params)
     : net_log_(params.net_log),
       network_delegate_(params.network_delegate),
@@ skipping 33 matching lines @@
           params.quic_prefer_aes,
           params.quic_max_number_of_lossy_connections,
           params.quic_packet_loss_threshold,
           params.quic_max_recent_disabled_reasons,
           params.quic_threshold_public_resets_post_handshake,
           params.quic_threshold_timeouts_streams_open,
           params.quic_socket_receive_buffer_size,
           params.quic_delay_tcp_race,
           params.quic_store_server_configs_in_properties,
           params.quic_close_sessions_on_ip_change,
+          params.quic_migrate_sessions_on_network_change,
           params.quic_connection_options),
       spdy_session_pool_(params.host_resolver,
                          params.ssl_config_service,
                          params.http_server_properties,
                          params.transport_security_state,
                          params.enable_spdy_compression,
                          params.enable_spdy_ping_based_connection_checking,
                          params.spdy_default_protocol,
                          params.spdy_session_max_recv_window_size,
                          params.spdy_stream_max_recv_window_size,
@@ skipping 169 matching lines @@
     case WEBSOCKET_SOCKET_POOL:
       return websocket_socket_pool_manager_.get();
     default:
       NOTREACHED();
       break;
   }
   return NULL;
 }
 
 }  // namespace net