Remove unused original transmission stats from QuicAckNotifier.

net/quic/quic_crypto_server_stream.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_QUIC_QUIC_CRYPTO_SERVER_STREAM_H_
 #define NET_QUIC_QUIC_CRYPTO_SERVER_STREAM_H_
 
 #include <string>
 
 #include "net/quic/crypto/crypto_handshake.h"
@@ skipping 16 matching lines @@
 
 // Receives a notification when the server hello (SHLO) has been ACKed by the
 // peer. At this point we disable HANDSHAKE_MODE in the sent packet manager.
 class NET_EXPORT_PRIVATE ServerHelloNotifier : public
     QuicAckNotifier::DelegateInterface {
  public:
   explicit ServerHelloNotifier(QuicCryptoServerStream* stream)
       : server_stream_(stream) {}
 
   // QuicAckNotifier::DelegateInterface implementation
-  void OnAckNotification(int num_original_packets,
-                         int num_original_bytes,
-                         int num_retransmitted_packets,
+  void OnAckNotification(int num_retransmitted_packets,
                          int num_retransmitted_bytes,
                          QuicTime::Delta delta_largest_observed) override;
 
  private:
   ~ServerHelloNotifier() override {}
 
   QuicCryptoServerStream* server_stream_;
 
   DISALLOW_COPY_AND_ASSIGN(ServerHelloNotifier);
 };
@@ skipping 94 matching lines @@
 
   // Contains any source address tokens which were present in the CHLO.
   SourceAddressTokens previous_source_address_tokens_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicCryptoServerStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CRYPTO_SERVER_STREAM_H_