Disable chromoting service on permanent errors.

remoting/host/host_status_observer.h

Index: remoting/host/host_status_observer.h
diff --git a/remoting/host/host_status_observer.h b/remoting/host/host_status_observer.h
index eec5a5110a758ac62d6de0512e0a6295bc032a0b..3add5797ef6bb7a4bb3545dff9cfb87ed6e8189b 100644
--- a/remoting/host/host_status_observer.h
+++ b/remoting/host/host_status_observer.h
@@ -7,6 +7,8 @@
 
 #include <string>
 
+#include "remoting/host/host_exit_codes.h"
+
 namespace net {
 class IPEndPoint;
 }  // namespace net
@@ -48,7 +50,7 @@ class HostStatusObserver {
   virtual void OnStart(const std::string& host_owner_email) {}
 
   // Called when the host shuts down.
-  virtual void OnShutdown() {}
+  virtual void OnShutdown(HostExitCodes exit_code) {}
 };
 
 }  // namespace remoting