stats.url = url;
stats.bytes_received = serialized.bytes_received();
stats.data_bytes_received = serialized.data_bytes_received();
if (serialized.has_connect_time()) {
stats.connect_time = serialized.connect_time();
} else {
stats.url = url;
stats.bytes_received = serialized.bytes_received();
stats.data_bytes_received = serialized.data_bytes_received();
if (serialized.has_connect_time()) {
stats.connect_time = serialized.connect_time();
} else {