Update from https://crrev.com/306655

net/quic/quic_sent_packet_manager.h

 // 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.
 
 #ifndef NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 83 matching lines @@
                         const QuicClock* clock,
                         QuicConnectionStats* stats,
                         CongestionControlType congestion_control_type,
                         LossDetectionType loss_type,
                         bool is_secure);
   virtual ~QuicSentPacketManager();
 
   virtual void SetFromConfig(const QuicConfig& config);
 
   // Pass the CachedNetworkParameters to the send algorithm.
-  void ResumeConnectionState(
+  // Returns true if this changes the initial connection state.
+  bool ResumeConnectionState(
       const CachedNetworkParameters& cached_network_params);
 
   void SetNumOpenStreams(size_t num_streams);
 
   void SetHandshakeConfirmed() { handshake_confirmed_ = true; }
 
   // Processes the incoming ack.
   void OnIncomingAck(const QuicAckFrame& ack_frame,
                      QuicTime ack_receive_time);
 
@@ skipping 289 matching lines @@
   // Records bandwidth from server to client in normal operation, over periods
   // of time with no loss events.
   QuicSustainedBandwidthRecorder sustained_bandwidth_recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_