Do not forget to log the flags usage.

If your tool or application uses flags, lets not forget of logging it.

BUG=None
TEST=None
R=jcgregorio@google.com

Review URL: https://codereview.chromium.org/671093002
Nicer alerting UI

BUG=skia:3036

Review URL: https://codereview.chromium.org/672703003