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

net/socket/tcp_client_socket_win.h

Index: net/socket/tcp_client_socket_win.h
===================================================================
--- net/socket/tcp_client_socket_win.h	(revision 90003)
+++ net/socket/tcp_client_socket_win.h	(working copy)
@@ -9,6 +9,7 @@
 #include <winsock2.h>
 
 #include "base/memory/scoped_ptr.h"
+#include "base/time.h"
 #include "base/threading/non_thread_safe.h"
 #include "net/base/address_list.h"
 #include "net/base/completion_callback.h"
@@ -53,6 +54,8 @@
   virtual void SetOmniboxSpeculation();
   virtual bool WasEverUsed() const;
   virtual bool UsingTCPFastOpen() const;
+  virtual int64 NumBytesRead() const;
+  virtual int GetConnectTimeMicros() const;
 
   // Socket methods:
   // Multiple outstanding requests are not supported.
@@ -141,6 +144,10 @@
   // histograms.
   UseHistory use_history_;
 
+  base::TimeTicks connect_start_time_;
+  int64 num_bytes_read_;
+  int connect_time_micros_;
+
   DISALLOW_COPY_AND_ASSIGN(TCPClientSocketWin);
 };