Rename QuicAckNotifier's AddSequenceNumber to OnSerializedPacket.

net/quic/quic_ack_notifier.h

Index: net/quic/quic_ack_notifier.h
diff --git a/net/quic/quic_ack_notifier.h b/net/quic/quic_ack_notifier.h
index 160108ed41f1a409ebb80c68cf42c7dd8fd8da9a..10082ee67269f2281a458bf9224d2d7def5e4e95 100644
--- a/net/quic/quic_ack_notifier.h
+++ b/net/quic/quic_ack_notifier.h
@@ -40,9 +40,8 @@ class NET_EXPORT_PRIVATE QuicAckNotifier {
   explicit QuicAckNotifier(DelegateInterface* delegate);
   virtual ~QuicAckNotifier();
 
-  // Register a sequence number that this AckNotifier should be interested in.
-  void AddSequenceNumber(const QuicPacketSequenceNumber& sequence_number,
-                         int packet_payload_size);
+  // Register a serialized packet the notifier should track.
+  void OnSerializedPacket();
 
   // Called by the QuicConnection on receipt of new ACK frame, with the sequence
   // number referenced by the ACK frame.