Add UpstartClient

chromeos/dbus/auth_policy_client.h

Index: chromeos/dbus/auth_policy_client.h
diff --git a/chromeos/dbus/auth_policy_client.h b/chromeos/dbus/auth_policy_client.h
index 550edea4e9eb75ecb573fdaf59f6d078a4ff1d69..ee4eabb888b7fc7a6ca548f74b65a796860e95c8 100644
--- a/chromeos/dbus/auth_policy_client.h
+++ b/chromeos/dbus/auth_policy_client.h
@@ -36,6 +36,8 @@ class CHROMEOS_EXPORT AuthPolicyClient : public DBusClient {
   // For normal usage, access the singleton via DBusThreadManager::Get().
   static AuthPolicyClient* Create();
 
+  // Signal upstart to start authpolicyd.
+  virtual void StartService() = 0;
   // TODO(rsorokin): Write more descriptive comment.
   // Calls JoinADDomain. Uses |machine_name| to join it to the domain. |user|,
   // |password_fd| are credentials of the AD user which have right to join the