mastermon: collect step results count

mastermon: collect step results count

Having the number of steps failing / succeeding in real time helps with
deploying risky changes on steps like update_scripts.

This is the second attempt at this, the first is
http://crrev.com/1507093003

BUG=601607
Committed: https://chromium.googlesource.com/infra/infra/+/e626f7b4bc5ffaf749f22321a539b0efe1b14c15

[pgervais, 2016-04-11 21:53:22]

pgervais@chromium.org changed reviewers:
+ iannucci@chromium.org, sergeyberezin@chromium.org

[pgervais, 2016-04-11 21:53:23]

Companion CL: http://crrev.com/1880443004

iannucci: FYI

[Sergey Berezin, 2016-04-11 23:54:59]

lgtm

[pgervais, 2016-04-12 18:20:46]

The CQ bit was checked by pgervais@chromium.org

[commit-bot: I haz the power, 2016-04-12 18:20:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1877953002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1877953002/20001

[commit-bot: I haz the power, 2016-04-12 18:25:00]

Description was changed from

==========
mastermon: collect step results count

Having the number of steps failing / succeeding in real time helps with
deploying risky changes on steps like update_scripts.

This is the second attempt at this, the first is
http://crrev.com/1507093003

BUG=601607
==========

to

==========
mastermon: collect step results count

Having the number of steps failing / succeeding in real time helps with
deploying risky changes on steps like update_scripts.

This is the second attempt at this, the first is
http://crrev.com/1507093003

BUG=601607

Committed:
https://chromium.googlesource.com/infra/infra/+/e626f7b4bc5ffaf749f22321a539b...
==========

[commit-bot: I haz the power, 2016-04-12 18:25:01]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/infra/infra/+/e626f7b4bc5ffaf749f22321a539b...