// Make the service created by |service_factory| available to the remote
// ServiceProvider. In response to each request for a service,
// |service_factory| will be run with an InterfaceRequest<Interface>
- // representing that request.
+ // representing that request. Adding a factory for an already registered
+ // service will override the factory. Existing connections to the service are
+ // unaffected.
template <typename Interface>
void AddService(const base::Callback<void(mojo::InterfaceRequest<Interface>)>
service_factory) {