Switch remoting/protocol to new callbacks

remoting/protocol/connection_to_host.cc

Index: remoting/protocol/connection_to_host.cc
diff --git a/remoting/protocol/connection_to_host.cc b/remoting/protocol/connection_to_host.cc
index e2fe74a442d950949eaae96801a2f804fe8fdeb7..fd5463c6589bf39fb6e8568cdaf8010304f75bf5 100644
--- a/remoting/protocol/connection_to_host.cc
+++ b/remoting/protocol/connection_to_host.cc
@@ -140,7 +140,8 @@ void ConnectionToHost::OnSessionManagerInitialized() {
       protocol::GenerateSupportAuthToken(local_jid_, access_code_);
   session_.reset(session_manager_->Connect(
       host_jid_, host_public_key_, client_token, candidate_config,
-      NewCallback(this, &ConnectionToHost::OnSessionStateChange)));
+      base::Bind(&ConnectionToHost::OnSessionStateChange,
+                 base::Unretained(this))));
 
   // Set the shared-secret for securing SSL channels.
   session_->set_shared_secret(access_code_);