Remove unused original transmission stats from QuicAckNotifier.

net/quic/reliable_quic_stream.cc

 // 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.
 
 #include "net/quic/reliable_quic_stream.h"
 
 #include "base/logging.h"
 #include "base/profiler/scoped_tracker.h"
 #include "net/quic/iovector.h"
 #include "net/quic/quic_flow_controller.h"
@@ skipping 38 matching lines @@
 // WriteOrBufferData can use to inform it that the write required
 // multiple WritevData calls or that only part of the data has been
 // sent out by the time ACKs start arriving.
 class ReliableQuicStream::ProxyAckNotifierDelegate
     : public QuicAckNotifier::DelegateInterface {
  public:
   explicit ProxyAckNotifierDelegate(DelegateInterface* delegate)
       : delegate_(delegate),
         pending_acks_(0),
         wrote_last_data_(false),
-        num_original_packets_(0),
-        num_original_bytes_(0),
         num_retransmitted_packets_(0),
         num_retransmitted_bytes_(0) {
   }
 
-  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 {
     DCHECK_LT(0, pending_acks_);
     --pending_acks_;
-    num_original_packets_ += num_original_packets;
-    num_original_bytes_ += num_original_bytes;
     num_retransmitted_packets_ += num_retransmitted_packets;
     num_retransmitted_bytes_ += num_retransmitted_bytes;
 
     if (wrote_last_data_ && pending_acks_ == 0) {
-      delegate_->OnAckNotification(num_original_packets_,
-                                   num_original_bytes_,
-                                   num_retransmitted_packets_,
+      delegate_->OnAckNotification(num_retransmitted_packets_,
                                    num_retransmitted_bytes_,
                                    delta_largest_observed);
     }
   }
 
   void WroteData(bool last_data) {
     DCHECK(!wrote_last_data_);
     ++pending_acks_;
     wrote_last_data_ = last_data;
   }
@@ skipping 437 matching lines @@
 
 bool ReliableQuicStream::IsFlowControlBlocked() {
   if (flow_controller_.IsBlocked()) {
     return true;
   }
   return stream_contributes_to_connection_flow_control_ &&
       connection_flow_controller_->IsBlocked();
 }
 
 }  // namespace net