diff --git a/vpn_service.h b/vpn_service.h
index 1162e57..4a6bc9b 100644
--- a/vpn_service.h
+++ b/vpn_service.h
@@ -43,10 +43,17 @@
                                              Error *error);
   void set_storage_id(const std::string &id) { storage_id_ = id; }
 
+ protected:
+  // Inherited from Service.
+  virtual bool IsAutoConnectable(const char **reason) const;
+
  private:
   FRIEND_TEST(VPNServiceTest, GetDeviceRpcId);
+  FRIEND_TEST(VPNServiceTest, IsAutoConnectable);
   FRIEND_TEST(VPNServiceTest, SetConnection);
 
+  static const char kAutoConnNeverConnected[];
+
   virtual std::string GetDeviceRpcId(Error *error);
 
   std::string storage_id_;