Notify NQE of TCP RTT values

net/socket/tcp_socket_win.h

Index: net/socket/tcp_socket_win.h
diff --git a/net/socket/tcp_socket_win.h b/net/socket/tcp_socket_win.h
index 1786af11ada0d8387e3ef08cd21eebc3c6c52636..2f3be4610d25ed25ba03ed891f2c0308dfe5793e 100644
--- a/net/socket/tcp_socket_win.h
+++ b/net/socket/tcp_socket_win.h
@@ -17,6 +17,7 @@
 #include "net/base/address_family.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_export.h"
+#include "net/base/socket_performance_watcher.h"
 #include "net/log/net_log.h"
 
 namespace net {
@@ -28,7 +29,9 @@ class IPEndPoint;
 class NET_EXPORT TCPSocketWin : NON_EXPORTED_BASE(public base::NonThreadSafe),
                                 public base::win::ObjectWatcher::Delegate  {
  public:
-  TCPSocketWin(NetLog* net_log, const NetLog::Source& source);
+  TCPSocketWin(scoped_ptr<SocketPerformanceWatcher> socket_performance_watcher,
+               NetLog* net_log,
+               const NetLog::Source& source);
   ~TCPSocketWin() override;
 
   int Open(AddressFamily family);
@@ -128,6 +131,9 @@ class NET_EXPORT TCPSocketWin : NON_EXPORTED_BASE(public base::NonThreadSafe),
 
   SOCKET socket_;
 
+  // |socket_performance_watcher_| may be nullptr.
+  scoped_ptr<SocketPerformanceWatcher> socket_performance_watcher_;
+
   HANDLE accept_event_;
   base::win::ObjectWatcher accept_watcher_;