size_t* output_length) = 0;
// Returns a newly created QuicData object containing the decrypted
- // |ciphertext| or NULL if there is an error. |sequence_number| is
+ // |ciphertext| or nullptr if there is an error. |sequence_number| is
// appended to the |nonce_prefix| value provided in SetNoncePrefix()
// to form the nonce.
// TODO(wtc): add a way for DecryptPacket to report decryption failure due