Determine proxy connection timeout based on current network quality

net/nqe/network_quality_estimator_test_util.h

 // Copyright 2016 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_NQE_NETWORK_QUALITY_ESTIMATOR_TEST_UTIL_H_
 #define NET_NQE_NETWORK_QUALITY_ESTIMATOR_TEST_UTIL_H_
 
 #include <map>
 #include <memory>
 #include <string>
+#include <utility>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/optional.h"
 #include "base/time/time.h"
 #include "net/base/network_change_notifier.h"
 #include "net/log/net_log.h"
 #include "net/log/test_net_log.h"
 #include "net/nqe/effective_connection_type.h"
@@ skipping 127 matching lines @@
     DCHECK(!effective_connection_type_ && !recent_effective_connection_type_);
     start_time_null_transport_rtt_ = transport_rtt;
   }
 
   void set_recent_transport_rtt(const base::TimeDelta& recent_transport_rtt) {
     // Callers should not set effective connection type along with the
     // lower-layer metrics.
     DCHECK(!effective_connection_type_ && !recent_effective_connection_type_);
     recent_transport_rtt_ = recent_transport_rtt;
   }
+
+  base::Optional<base::TimeDelta> GetTransportRTT() const override;
+
   // Returns the recent transport RTT that was set using
   // |set_recent_transport_rtt|. If the recent transport RTT has not been set,
   // then the base implementation is called.
   bool GetRecentTransportRTT(const base::TimeTicks& start_time,
                              base::TimeDelta* rtt) const override;
 
   void set_start_time_null_downlink_throughput_kbps(
       int32_t downlink_throughput_kbps) {
     // Callers should not set effective connection type along with the
     // lower-layer metrics.
@@ skipping 115 matching lines @@
 
   // Net log provided to network quality estimator.
   std::unique_ptr<net::BoundTestNetLog> net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(TestNetworkQualityEstimator);
 };
 
 }  // namespace net
 
 #endif  // NET_NQE_NETWORK_QUALITY_ESTIMATOR_TEST_UTIL_H_