Access Session::config() and Session::jid() on the correct thread only.

remoting/host/client_session.h

Index: remoting/host/client_session.h
diff --git a/remoting/host/client_session.h b/remoting/host/client_session.h
index 12962ce5844d50e668361d05459f29e343f26c9a..d9cd337550f39cd44929c0680c158451cb18ffcf 100644
--- a/remoting/host/client_session.h
+++ b/remoting/host/client_session.h
@@ -72,6 +72,8 @@ class ClientSession : public protocol::HostStub,
     awaiting_continue_approval_ = awaiting;
   }
 
+  const std::string& client_jid() { return client_jid_; }
+
   // Indicate that local mouse activity has been detected. This causes remote
   // inputs to be ignored for a short time so that the local user will always
   // have the upper hand in 'pointer wars'.
@@ -102,6 +104,8 @@ class ClientSession : public protocol::HostStub,
   // The connection to the client.
   scoped_refptr<protocol::ConnectionToClient> connection_;
 
+  std::string client_jid_;
+
   // The input stub to which this object delegates.
   protocol::InputStub* input_stub_;