Disable chromoting service on permanent errors.

remoting/host/chromoting_host.cc

Index: remoting/host/chromoting_host.cc
diff --git a/remoting/host/chromoting_host.cc b/remoting/host/chromoting_host.cc
index 346e887fc46c48feeb636215fd889f0b6af92057..b40ae759cdd9e9f1e2ef6b5752909b1c58322039 100644
--- a/remoting/host/chromoting_host.cc
+++ b/remoting/host/chromoting_host.cc
@@ -80,6 +80,7 @@ ChromotingHost::ChromotingHost(
       ui_task_runner_(ui_task_runner),
       signal_strategy_(signal_strategy),
       started_(false),
+      exit_code_(kSuccessExitCode),
       protocol_config_(protocol::CandidateSessionConfig::CreateDefault()),
       login_backoff_(&kDefaultBackoffPolicy),
       authenticating_client_(false),
@@ -110,7 +111,8 @@ ChromotingHost::~ChromotingHost() {
 
   // Notify observers.
   if (started_)
-    FOR_EACH_OBSERVER(HostStatusObserver, status_observers_, OnShutdown());
+    FOR_EACH_OBSERVER(HostStatusObserver, status_observers_,
+                      OnShutdown(exit_code_));
 }
 
 void ChromotingHost::Start(const std::string& host_owner_email) {
@@ -126,6 +128,10 @@ void ChromotingHost::Start(const std::string& host_owner_email) {
   session_manager_->Init(signal_strategy_, this);
 }
 
+void ChromotingHost::SetExitCode(HostExitCodes exit_code) {
+  exit_code_ = exit_code;
+}
+
 void ChromotingHost::AddStatusObserver(HostStatusObserver* observer) {
   DCHECK(CalledOnValidThread());
   status_observers_.AddObserver(observer);