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

net/socket/tcp_client_socket_libevent.h

Index: net/socket/tcp_client_socket_libevent.h
===================================================================
--- net/socket/tcp_client_socket_libevent.h	(revision 88319)
+++ net/socket/tcp_client_socket_libevent.h	(working copy)
@@ -10,6 +10,7 @@
 #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"
@@ -56,6 +57,9 @@
   virtual bool WasEverUsed() const;
   virtual bool UsingTCPFastOpen() const;
 
+  virtual int64 NumBytesRead() const { return num_bytes_read_; }
+  virtual double GetRTTInMs() const { return rtt_ms_; }
+
   // Socket methods:
   // Multiple outstanding requests are not supported.
   // Full duplex mode (reading and writing at the same time) is supported
@@ -197,6 +201,10 @@
   // True when TCP FastOpen is in use and we have done the connect.
   bool tcp_fastopen_connected_;
 
+  base::Time connect_start_time_;
+  int64 num_bytes_read_;
+  double rtt_ms_;
+
   DISALLOW_COPY_AND_ASSIGN(TCPClientSocketLibevent);
 };