Deprecates check_peer_address_change_after_decryption.

net/quic/quic_connection.h

Index: net/quic/quic_connection.h
diff --git a/net/quic/quic_connection.h b/net/quic/quic_connection.h
index f7c5fd952b291732fffe2916169abcff031c7406..169145e3ff67ca6559ac3bbcae328bd5c8802145 100644
--- a/net/quic/quic_connection.h
+++ b/net/quic/quic_connection.h
@@ -685,14 +685,6 @@ class NET_EXPORT_PRIVATE QuicConnection
   // such a version exists, false otherwise.
   bool SelectMutualVersion(const QuicVersionVector& available_versions);
 
-  bool peer_ip_changed() const { return peer_ip_changed_; }
-
-  bool peer_port_changed() const { return peer_port_changed_; }
-
-  const IPAddress& migrating_peer_ip() const { return migrating_peer_ip_; }
-
-  uint16_t migrating_peer_port() const { return migrating_peer_port_; }
-
   const IPEndPoint& last_packet_source_address() const {
     return last_packet_source_address_;
   }
@@ -847,11 +839,6 @@ class NET_EXPORT_PRIVATE QuicConnection
   IPEndPoint self_address_;
   IPEndPoint peer_address_;
 
-  // Used to store latest peer IP address for IP address migration.
-  IPAddress migrating_peer_ip_;
-  // Used to store latest peer port to possibly migrate to later.
-  uint16_t migrating_peer_port_;
-
   // True if the last packet has gotten far enough in the framer to be
   // decrypted.
   bool last_packet_decrypted_;
@@ -998,20 +985,6 @@ class NET_EXPORT_PRIVATE QuicConnection
   // close.
   bool connected_;
 
-  // Set to true if the UDP packet headers have a new IP address for the peer.
-  bool peer_ip_changed_;
-
-  // Set to true if the UDP packet headers have a new port for the peer.
-  bool peer_port_changed_;
-
-  // Set to true if the UDP packet headers are addressed to a different IP.
-  // We do not support connection migration when the self IP changed.
-  bool self_ip_changed_;
-
-  // Set to true if the UDP packet headers are addressed to a different port.
-  // We do not support connection migration when the self port changed.
-  bool self_port_changed_;
-
   // Destination address of the last received packet.
   IPEndPoint last_packet_destination_address_;