Delete unused index variable. No behavior change.

net/quic/core/quic_unacked_packet_map.cc

 // Copyright 2014 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/core/quic_unacked_packet_map.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "net/quic/chromium/quic_utils_chromium.h"
 #include "net/quic/core/quic_bug_tracker.h"
 #include "net/quic/core/quic_connection_stats.h"
 #include "net/quic/core/quic_flags.h"
 #include "net/quic/core/quic_utils.h"
 
 using std::max;
 
 namespace net {
 
 QuicUnackedPacketMap::QuicUnackedPacketMap()
     : largest_sent_packet_(0),
       largest_sent_retransmittable_packet_(0),
       largest_observed_(0),
       least_unacked_(1),
       bytes_in_flight_(0),
       pending_crypto_packet_count_(0) {}
 
 QuicUnackedPacketMap::~QuicUnackedPacketMap() {
-  QuicPacketNumber index = least_unacked_;
-  for (UnackedPacketMap::iterator it = unacked_packets_.begin();
-       it != unacked_packets_.end(); ++it, ++index) {
-    DeleteFrames(&it->retransmittable_frames);
+  for (QuicTransmissionInfo& transmission_info : unacked_packets_) {
+    DeleteFrames(&(transmission_info.retransmittable_frames));
   }
 }
 
 void QuicUnackedPacketMap::AddSentPacket(SerializedPacket* packet,
                                          QuicPacketNumber old_packet_number,
                                          TransmissionType transmission_type,
                                          QuicTime sent_time,
                                          bool set_in_flight) {
   QuicPacketNumber packet_number = packet->packet_number;
   QuicPacketLength bytes_sent = packet->encrypted_length;
@@ skipping 313 matching lines @@
     }
   }
   return false;
 }
 
 QuicPacketNumber QuicUnackedPacketMap::GetLeastUnacked() const {
   return least_unacked_;
 }
 
 }  // namespace net