Implements migration of a QUIC connection to a different destination address if specified by the se…

net/http/http_network_session.h

Index: net/http/http_network_session.h
diff --git a/net/http/http_network_session.h b/net/http/http_network_session.h
index b4a72ea92f67023a8ebb301a476723f84f7bcde7..c3de445a6354fb16f38b70ad42b758ba58cfa4a6 100644
--- a/net/http/http_network_session.h
+++ b/net/http/http_network_session.h
@@ -176,6 +176,9 @@ class NET_EXPORT HttpNetworkSession
     // If true, active QUIC sessions experiencing poor connectivity may be
     // migrated onto a new network.
     bool quic_migrate_sessions_early;
+    // If true, allows migration of QUIC connections to a server-specified
+    // alternate server address.
+    bool quic_allow_server_migration;
     // If true, bidirectional streams over QUIC will be disabled.
     bool quic_disable_bidirectional_streams;
     // If true, enable force HOL blocking.  For measurement purposes.