Preparation for Chrome experiment to enable bandwidth resumption.

net/quic/quic_sent_packet_manager.cc

 // Copyright 2013 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_sent_packet_manager.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
@@ skipping 145 matching lines @@
         max(kMinSocketReceiveBuffer,
             static_cast<QuicByteCount>(config.ReceivedSocketReceiveBuffer()));
   }
   send_algorithm_->SetFromConfig(config, is_server_, using_pacing_);
 
   if (network_change_visitor_ != nullptr) {
     network_change_visitor_->OnCongestionWindowChange();
   }
 }
 
+void QuicSentPacketManager::ResumeConnectionState(
+    const CachedNetworkParameters& cached_network_params) {
+  send_algorithm_->ResumeConnectionState(cached_network_params);
+}
+
 void QuicSentPacketManager::SetNumOpenStreams(size_t num_streams) {
   if (n_connection_simulation_) {
     // Ensure the number of connections is between 1 and 5.
     send_algorithm_->SetNumEmulatedConnections(
         min<size_t>(5, max<size_t>(1, num_streams)));
   }
 }
 
 bool QuicSentPacketManager::HasClientSentConnectionOption(
     const QuicConfig& config, QuicTag tag) const {
@@ skipping 752 matching lines @@
   // Set up a pacing sender with a 1 millisecond alarm granularity, the same as
   // the default granularity of the Linux kernel's FQ qdisc.
   using_pacing_ = true;
   send_algorithm_.reset(
       new PacingSender(send_algorithm_.release(),
                        QuicTime::Delta::FromMilliseconds(1),
                        kInitialUnpacedBurst));
 }
 
 }  // namespace net