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

remoting/host/plugin/host_script_object.cc

Index: remoting/host/plugin/host_script_object.cc
diff --git a/remoting/host/plugin/host_script_object.cc b/remoting/host/plugin/host_script_object.cc
index 2541a527b681bbff92dac5bf153102b8e6d14e05..598b96e5339ccd8f4ff483dbaa6cbd5fcdeb0d10 100644
--- a/remoting/host/plugin/host_script_object.cc
+++ b/remoting/host/plugin/host_script_object.cc
@@ -323,8 +323,7 @@ void HostNPScriptObject::OnAccessDenied() {
     DisconnectInternal();
 }
 
-void HostNPScriptObject::OnClientAuthenticated(
-    remoting::protocol::ConnectionToClient* client) {
+void HostNPScriptObject::OnClientAuthenticated(const std::string& jid) {
   DCHECK_EQ(MessageLoop::current(), host_context_.main_message_loop());
 
   if (state_ == kDisconnecting) {
@@ -332,7 +331,7 @@ void HostNPScriptObject::OnClientAuthenticated(
     return;
   }
 
-  client_username_ = client->session()->jid();
+  client_username_ = jid;
   size_t pos = client_username_.find('/');
   if (pos != std::string::npos)
     client_username_.replace(pos, std::string::npos, "");
@@ -340,8 +339,7 @@ void HostNPScriptObject::OnClientAuthenticated(
   SetState(kConnected);
 }
 
-void HostNPScriptObject::OnClientDisconnected(
-    remoting::protocol::ConnectionToClient* client) {
+void HostNPScriptObject::OnClientDisconnected(const std::string& jid) {
   DCHECK_EQ(MessageLoop::current(), host_context_.main_message_loop());
 
   client_username_.clear();