Remove QUIC_VERSION_15 now that Chrome Stable supports QUIC_VERSION_16.

net/quic/test_tools/quic_test_utils.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/test_tools/quic_test_utils.h"
 
 #include "base/sha1.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/crypto/crypto_framer.h"
@@ skipping 25 matching lines @@
   explicit TestAlarm(QuicAlarm::Delegate* delegate)
       : QuicAlarm(delegate) {
   }
 
   virtual void SetImpl() OVERRIDE {}
   virtual void CancelImpl() OVERRIDE {}
 };
 
 }  // namespace
 
-QuicAckFrame MakeAckFrame(QuicPacketSequenceNumber largest_observed,
-                          QuicPacketSequenceNumber least_unacked) {
+QuicAckFrame MakeAckFrame(QuicPacketSequenceNumber largest_observed) {
   QuicAckFrame ack;
   ack.received_info.largest_observed = largest_observed;
   ack.received_info.entropy_hash = 0;
-  ack.sent_info.least_unacked = least_unacked;
-  ack.sent_info.entropy_hash = 0;
   return ack;
 }
 
 QuicAckFrame MakeAckFrameWithNackRanges(
     size_t num_nack_ranges, QuicPacketSequenceNumber least_unacked) {
-  QuicAckFrame ack = MakeAckFrame(2 * num_nack_ranges + least_unacked,
-                                  least_unacked);
+  QuicAckFrame ack = MakeAckFrame(2 * num_nack_ranges + least_unacked);
   // Add enough missing packets to get num_nack_ranges nack ranges.
   for (QuicPacketSequenceNumber i = 1; i < 2 * num_nack_ranges; i += 2) {
     ack.received_info.missing_packets.insert(least_unacked + i);
   }
   return ack;
 }
 
 SerializedPacket BuildUnsizedDataPacket(QuicFramer* framer,
                                         const QuicPacketHeader& header,
                                         const QuicFrames& frames) {
@@ skipping 535 matching lines @@
 }
 
 QuicVersionVector SupportedVersions(QuicVersion version) {
   QuicVersionVector versions;
   versions.push_back(version);
   return versions;
 }
 
 }  // namespace test
 }  // namespace net