The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra.git/+/103d7798f8d6c97812b6569450809660c32c607c

commit 103d7798f8d6c97812b6569450809660c32c607c
Author: Shuotao Gao <stgao@chromium.org>
Date: Fri Dec 02 00:21:05 2016

[Findit] Fix field value for metrics.

BUG= 666043 
R=chanli, lijeffrey

Change-Id: Ic4c3f799e8f620ed6933073cb4371dd65331e091
Reviewed-on: https://chromium-review.googlesource.com/415969
Reviewed-by: Jeffrey Li <lijeffrey@chromium.org>
Commit-Queue: Shuotao Gao <stgao@chromium.org>

[modify] https://crrev.com/103d7798f8d6c97812b6569450809660c32c607c/appengine/findit/waterfall/test/trigger_base_swarming_task_result_pipeline_test.py
[modify] https://crrev.com/103d7798f8d6c97812b6569450809660c32c607c/appengine/findit/waterfall/test/trigger_flake_swarming_task_pipeline_test.py
[modify] https://crrev.com/103d7798f8d6c97812b6569450809660c32c607c/appengine/findit/waterfall/test/trigger_swarming_task_pipeline_test.py
[modify] https://crrev.com/103d7798f8d6c97812b6569450809660c32c607c/appengine/findit/waterfall/trigger_base_swarming_task_pipeline.py
[modify] https://crrev.com/103d7798f8d6c97812b6569450809660c32c607c/appengine/findit/waterfall/trigger_flake_swarming_task_pipeline.py
[modify] https://crrev.com/103d7798f8d6c97812b6569450809660c32c607c/appengine/findit/waterfall/trigger_swarming_task_pipeline.py

I'll take this one.