Minor change of QUIC's RTO behavior to not change the congestion window

net/quic/quic_connection_test.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/quic_connection.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "net/base/net_errors.h"
@@ skipping 1914 matching lines @@
 
   connection_.SetEncrypter(ENCRYPTION_INITIAL, new TaggingEncrypter(0x02));
   connection_.SetDefaultEncryptionLevel(ENCRYPTION_INITIAL);
   SendStreamDataToPeer(1, "foo", 0, !kFin, NULL);
   EXPECT_EQ(0x02020202u, final_bytes_of_last_packet());
 
   EXPECT_EQ(default_retransmission_time,
             connection_.GetRetransmissionAlarm()->deadline());
   {
     InSequence s;
-    EXPECT_CALL(*send_algorithm_, OnRetransmissionTimeout());
     EXPECT_CALL(*send_algorithm_, OnPacketAbandoned(1, _));
     EXPECT_CALL(*send_algorithm_, OnPacketAbandoned(2, _));
+    EXPECT_CALL(*send_algorithm_, OnRetransmissionTimeout());
     EXPECT_CALL(*send_algorithm_, OnPacketSent(_, 3, _, RTO_RETRANSMISSION, _));
     EXPECT_CALL(*send_algorithm_, OnPacketSent(_, 4, _, RTO_RETRANSMISSION, _));
   }
 
   // Simulate the retransmission alarm firing.
   clock_.AdvanceTime(DefaultRetransmissionTime());
   connection_.GetRetransmissionAlarm()->Fire();
 
   // Packet should have been sent with ENCRYPTION_NONE.
   EXPECT_EQ(0x01010101u, final_bytes_of_previous_packet());
@@ skipping 1368 matching lines @@
                         true);
   TestConnection client(guid_, IPEndPoint(), helper_.get(), writer_.get(),
                         false);
   EXPECT_TRUE(client.sent_packet_manager().using_pacing());
   EXPECT_FALSE(server.sent_packet_manager().using_pacing());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net