[automerger] Fix a memory leak in gatekeeper. am: 6a9c4e79 am: bdc924f3...

    virtual ~SoftGateKeeper() {

    }

    virtual bool GetAuthTokenKey(const uint8_t **auth_token_key,

            uint32_t *length) const {

    virtual bool GetAuthTokenKey(const uint8_t** auth_token_key, uint32_t* length) const {

        if (auth_token_key == NULL || length == NULL) return false;

        uint8_t *auth_token_key_copy = new uint8_t[SIGNATURE_LENGTH_BYTES];

        memcpy(auth_token_key_copy, key_.get(), SIGNATURE_LENGTH_BYTES);

        *auth_token_key = auth_token_key_copy;

        *auth_token_key = key_.get();

        *length = SIGNATURE_LENGTH_BYTES;

        return true;

    }

    virtual void GetPasswordKey(const uint8_t** password_key, uint32_t* length) {

        if (password_key == NULL || length == NULL) return;

        uint8_t *password_key_copy = new uint8_t[SIGNATURE_LENGTH_BYTES];

        memcpy(password_key_copy, key_.get(), SIGNATURE_LENGTH_BYTES);

        *password_key = password_key_copy;

        *password_key = key_.get();

        *length = SIGNATURE_LENGTH_BYTES;

    }