Add a new GetNegotiatedProtocol method to StreamSocket and implement in all subclasses.

net/socket/tcp_client_socket_libevent.cc

Index: net/socket/tcp_client_socket_libevent.cc
diff --git a/net/socket/tcp_client_socket_libevent.cc b/net/socket/tcp_client_socket_libevent.cc
index 9b47249a355cd41710e5c16fb9a64b0953b95814..50504823f1fec3c3f9e2775c602f35c7e6aaa984 100644
--- a/net/socket/tcp_client_socket_libevent.cc
+++ b/net/socket/tcp_client_socket_libevent.cc
@@ -552,6 +552,10 @@ bool TCPClientSocketLibevent::SetSendBufferSize(int32 size) {
   return rv == 0;
 }
 
+NextProto TCPClientSocketLibevent::GetNegotiatedProtocol() const {

[wtc, 2012/03/30 21:19:14]

Nit: define this after the GetConnectTimeMicros() method.

[Ryan Hamilton, 2012/03/30 21:53:17]

Done.

+  return kProtoUnknown;
+}
+
 void TCPClientSocketLibevent::LogConnectCompletion(int net_error) {
   if (net_error == OK)
     UpdateConnectionTypeHistograms(CONNECTION_ANY);