The FIDO U2F implementation present in //device/u2f should be merged with the FIDO CTAP implementation in //device/ctap. The U2F and CTAP protocols are very similar which is why the currently existing split does not make much sense. Merging the folders allows for easy code re-use and will streamline the CTAP implementation. The resulting folder should be called //device/fido, named after the FIDO alliance behind both U2F and CTAP.
Comment 1 by engedy@chromium.org
, Feb 2 2018