Small optimization on r12285

        if self.max_cookie_size:

            # data is going to be stored eventually by CompatCookie, which

            # adds it's own overhead, which we must account for.

            cookie = CompatCookie() # create outside the loop

            def stored_length(val):

                return len(CompatCookie().value_encode(val)[1])

                return len(cookie.value_encode(val)[1])

            while encoded_data and stored_length(encoded_data) > self.max_cookie_size:

                if remove_oldest: