Add QuicSentPacketManagerInterface, and QuicSentPacketManager implements it. No functional change e…

net/quic/quic_chromium_client_session.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_chromium_client_session.h"
 
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/location.h"
@@ skipping 821 matching lines @@
         "Net.QuicSession.ConnectionClose.NumOpenStreams.TimedOut",
         GetNumOpenOutgoingStreams());
     if (IsCryptoHandshakeConfirmed()) {
       if (GetNumOpenOutgoingStreams() > 0) {
         disabled_reason_ = QUIC_DISABLED_TIMEOUT_WITH_OPEN_STREAMS;
         UMA_HISTOGRAM_BOOLEAN(
             "Net.QuicSession.TimedOutWithOpenStreams.HasUnackedPackets",
             connection()->sent_packet_manager().HasUnackedPackets());
         UMA_HISTOGRAM_COUNTS(
             "Net.QuicSession.TimedOutWithOpenStreams.ConsecutiveRTOCount",
-            connection()->sent_packet_manager().consecutive_rto_count());
+            connection()->sent_packet_manager().GetConsecutiveRtoCount());
         UMA_HISTOGRAM_COUNTS(
             "Net.QuicSession.TimedOutWithOpenStreams.ConsecutiveTLPCount",
-            connection()->sent_packet_manager().consecutive_tlp_count());
+            connection()->sent_packet_manager().GetConsecutiveTlpCount());
       }
       if (connection()->sent_packet_manager().HasUnackedPackets()) {
         UMA_HISTOGRAM_TIMES(
             "Net.QuicSession.LocallyTimedOutWithOpenStreams."
             "TimeSinceLastReceived.UnackedPackets",
             NetworkActivityMonitor::GetInstance()->GetTimeSinceLastReceived());
       } else {
         UMA_HISTOGRAM_TIMES(
             "Net.QuicSession.LocallyTimedOutWithOpenStreams."
             "TimeSinceLastReceived.NoUnackedPackets",
@@ skipping 321 matching lines @@
 }
 
 void QuicChromiumClientSession::DeletePromised(
     QuicClientPromisedInfo* promised) {
   if (IsOpenStream(promised->id()))
     streams_pushed_and_claimed_count_++;
   QuicClientSessionBase::DeletePromised(promised);
 }
 
 }  // namespace net