Add RequestUpdate to NetworkSmsHandler

chromeos/dbus/gsm_sms_client.h

Index: chromeos/dbus/gsm_sms_client.h
diff --git a/chromeos/dbus/gsm_sms_client.h b/chromeos/dbus/gsm_sms_client.h
index 1575e41a6a4e1c7324690cf99414dab8e94603d9..537b4e463f118a61ebb4921cabbd1018fa863e3e 100644
--- a/chromeos/dbus/gsm_sms_client.h
+++ b/chromeos/dbus/gsm_sms_client.h
@@ -69,6 +69,11 @@ class CHROMEOS_EXPORT GsmSMSClient {
                     const dbus::ObjectPath& object_path,
                     const ListCallback& callback) = 0;
 
+  // Requests a check for new messages. In flimflam this does nothing. The
+  // stub implementation uses it to generate a sequence of test messages.
+  virtual void RequestUpdate(const std::string& service_name,
+                             const dbus::ObjectPath& object_path) = 0;
+
  protected:
   // Create() should be used instead.
   GsmSMSClient();