Deciding best connection to schedule requests on based on cwnd and idle time

net/socket/tcp_client_socket_libevent.h

 // Copyright (c) 2011 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_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_
 #define NET_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/threading/non_thread_safe.h"
+#include "base/time.h"
 #include "net/base/address_list.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_log.h"
 #include "net/socket/stream_socket.h"
 
 struct event;  // From libevent
 
 namespace net {
 
 class BoundNetLog;
@@ skipping 163 matching lines @@
   // Record of connectivity and transmissions, for use in speculative connection
   // histograms.
   UseHistory use_history_;
 
   // Enables experimental TCP FastOpen option.
   bool use_tcp_fastopen_;
 
   // True when TCP FastOpen is in use and we have done the connect.
   bool tcp_fastopen_connected_;
 
+  base::Time connect_start_time_;
+
   DISALLOW_COPY_AND_ASSIGN(TCPClientSocketLibevent);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_