Refactor QuicConnection::OnConnectionMigration() to use active_effective_peer_migration_type_ instead of passing in the address change type as a parameter.

PiperOrigin-RevId: 352666230
Change-Id: Iff80da71aac480f3b3752c30ffefeb1e8444c9a9

quic/core/quic_connection.cc

diff --git a/quic/core/quic_connection.cc b/quic/core/quic_connection.cc
index 86872de..771a1e5 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -4618,20 +4618,21 @@
   active_effective_peer_migration_type_ = type;
 
   // TODO(wub): Move these calls to OnEffectivePeerMigrationValidated.
-  OnConnectionMigration(type);
+  OnConnectionMigration();
 }
 
-void QuicConnection::OnConnectionMigration(AddressChangeType addr_change_type) {
+void QuicConnection::OnConnectionMigration() {
   if (debug_visitor_ != nullptr) {
     const QuicTime now = clock_->ApproximateNow();
     if (now >= stats_.handshake_completion_time) {
       debug_visitor_->OnPeerAddressChange(
-          addr_change_type, now - stats_.handshake_completion_time);
+          active_effective_peer_migration_type_,
+          now - stats_.handshake_completion_time);
     }
   }
-  visitor_->OnConnectionMigration(addr_change_type);
-  if (addr_change_type != PORT_CHANGE &&
-      addr_change_type != IPV4_SUBNET_CHANGE) {
+  visitor_->OnConnectionMigration(active_effective_peer_migration_type_);
+  if (active_effective_peer_migration_type_ != PORT_CHANGE &&
+      active_effective_peer_migration_type_ != IPV4_SUBNET_CHANGE) {
     sent_packet_manager_.OnConnectionMigration(/*reset_send_algorithm=*/false);
   }
 }

quic/core/quic_connection.h

diff --git a/quic/core/quic_connection.h b/quic/core/quic_connection.h
index b96952e..8814a68 100644
--- a/quic/core/quic_connection.h
+++ b/quic/core/quic_connection.h
@@ -1255,7 +1255,7 @@
 
   // Notify various components(SendPacketManager, Session etc.) that this
   // connection has been migrated.
-  virtual void OnConnectionMigration(AddressChangeType addr_change_type);
+  virtual void OnConnectionMigration();
 
   // Return whether the packet being processed is a connectivity probing.
   // A packet is a connectivity probing if it is a padded ping packet with self