cpplint.py has two tiny typos. The name of flag in an error message should be --filter, not --filters, and the old name SetFilter in comment should be set_filter.
Created attachment 33244 [details] Patch v1 --- 2 files changed, 11 insertions(+), 2 deletions(-)
Assign to levin for landing.
Committed as http://trac.webkit.org/changeset/46244