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

jingle/notifier/base/fake_ssl_client_socket.cc

Index: jingle/notifier/base/fake_ssl_client_socket.cc
diff --git a/jingle/notifier/base/fake_ssl_client_socket.cc b/jingle/notifier/base/fake_ssl_client_socket.cc
index 922bda48be4b9332358987a6755cb861671175d8..7ca6afcaee677cda0a389d90df351bf8c8662afd 100644
--- a/jingle/notifier/base/fake_ssl_client_socket.cc
+++ b/jingle/notifier/base/fake_ssl_client_socket.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -338,4 +338,8 @@ base::TimeDelta FakeSSLClientSocket::GetConnectTimeMicros() const {
   return transport_socket_->GetConnectTimeMicros();
 }
 
+net::NextProto FakeSSLClientSocket::GetNegotiatedProtocol() const {
+  return transport_socket_->GetNegotiatedProtocol();
+}
+
 }  // namespace notifier