The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a

commit 7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a
Author: Jeffrey Li <lijeffrey@chromium.org>
Date: Fri Feb 09 20:09:29 2018

[Findit] Flake Analyzer - New NotifyCulpritPipeline

Refactored old waterfall/flake/send_notification_to_flake_culprit_pipeline.py
into services and a new module under pipelines/flake_failure.notify_culprit_pipeline.py

Bug:  808160 

Change-Id: I3a56ee4a4ac222e5211888f0be7f10ba07812d32
Reviewed-on: https://chromium-review.googlesource.com/912189
Reviewed-by: Brandon Wylie <wylieb@chromium.org>
Commit-Queue: Jeffrey Li <lijeffrey@chromium.org>

[add] https://crrev.com/7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a/appengine/findit/services/flake_failure/culprit_util.py
[modify] https://crrev.com/7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a/appengine/findit/services/flake_failure/pass_rate_util.py
[modify] https://crrev.com/7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a/appengine/findit/services/flake_failure/data_point_util.py
[modify] https://crrev.com/7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a/appengine/findit/services/flake_failure/test/data_point_util_test.py
[add] https://crrev.com/7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a/appengine/findit/pipelines/flake_failure/test/notify_culprit_pipeline_test.py
[add] https://crrev.com/7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a/appengine/findit/services/flake_failure/test/culprit_util_test.py
[add] https://crrev.com/7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a/appengine/findit/pipelines/flake_failure/notify_culprit_pipeline.py
[modify] https://crrev.com/7c99aa11a431f76a3e3b99ad0cf554c2c0c9084a/appengine/findit/services/flake_failure/test/pass_rate_util_test.py