Host-side third party token validation

remoting/protocol/it2me_host_authenticator_factory.cc

Index: remoting/protocol/it2me_host_authenticator_factory.cc
diff --git a/remoting/protocol/it2me_host_authenticator_factory.cc b/remoting/protocol/it2me_host_authenticator_factory.cc
index e9f6c094a3bce827242dd719d2fe299bf6a3636a..e5e446a81a7fbd29259d9fa8e0f62e6b665aa49c 100644
--- a/remoting/protocol/it2me_host_authenticator_factory.cc
+++ b/remoting/protocol/it2me_host_authenticator_factory.cc
@@ -27,8 +27,8 @@ scoped_ptr<Authenticator> It2MeHostAuthenticatorFactory::CreateAuthenticator(
     const std::string& local_jid,
     const std::string& remote_jid,
     const buzz::XmlElement* first_message) {
-  return scoped_ptr<Authenticator>(new NegotiatingHostAuthenticator(
-      local_cert_, key_pair_, shared_secret_, AuthenticationMethod::NONE));
+  return NegotiatingHostAuthenticator::CreateWithSharedSecret(
+      local_cert_, key_pair_, shared_secret_, AuthenticationMethod::NONE);
 }
 
 }  // namespace protocol