Parse termination reason and propagate the error to the Session interface.

remoting/protocol/jingle_session.cc

Index: remoting/protocol/jingle_session.cc
diff --git a/remoting/protocol/jingle_session.cc b/remoting/protocol/jingle_session.cc
index 01ea8069e82f31bf01fe6a4cf3b5d5afe413a051..611f97c7431bf127b376fbdf28c200445a31b378 100644
--- a/remoting/protocol/jingle_session.cc
+++ b/remoting/protocol/jingle_session.cc
@@ -49,6 +49,7 @@ JingleSession::JingleSession(
     : jingle_session_manager_(jingle_session_manager),
       local_cert_(local_cert),
       state_(INITIALIZING),
+      error_(OK),
       closing_(false),
       cricket_session_(NULL),
       config_set_(false),
@@ -132,6 +133,11 @@ void JingleSession::SetStateChangeCallback(StateChangeCallback* callback) {
   state_change_callback_.reset(callback);
 }
 
+Session::Error JingleSession::error() {
+  DCHECK(CalledOnValidThread());
+  return error_;
+}
+
 void JingleSession::CreateStreamChannel(
       const std::string& name, const StreamChannelCallback& callback) {
   DCHECK(CalledOnValidThread());