Rename QuicAckNotifier's AddSequenceNumber to OnSerializedPacket.

net/quic/quic_ack_notifier_manager.cc

Index: net/quic/quic_ack_notifier_manager.cc
diff --git a/net/quic/quic_ack_notifier_manager.cc b/net/quic/quic_ack_notifier_manager.cc
index 0d37752e211ab130f4ffcb9243ecf486e8f9ec1d..613ba4c01ab3739a10fb990ab03646df9bd53ac6 100644
--- a/net/quic/quic_ack_notifier_manager.cc
+++ b/net/quic/quic_ack_notifier_manager.cc
@@ -81,8 +81,7 @@ void AckNotifierManager::OnSerializedPacket(
         LOG(DFATAL) << "AckNotifier should not be nullptr.";
         continue;
       }
-      notifier->AddSequenceNumber(serialized_packet.sequence_number,
-                                  serialized_packet.packet->length());
+      notifier->OnSerializedPacket();
 
       // Update the mapping in the other direction, from sequence number to
       // AckNotifier.
@@ -107,8 +106,7 @@ void AckNotifierManager::OnSerializedPacket(
       }
 
       QuicAckNotifier* notifier = quic_frame.stream_frame->notifier;
-      notifier->AddSequenceNumber(serialized_packet.sequence_number,
-                                  serialized_packet.packet->length());
+      notifier->OnSerializedPacket();
 
       // Update the mapping in the other direction, from sequence number to
       // AckNotifier.