All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=693472

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNiZ4ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNCw4QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNnh-woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguNnI4ggM


Bot(s) for this bug's original alert(s):

chromium-rel-mac-retina
chromium-rel-mac12
chromium-rel-mac12-mini-8gb

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8987419830534286880

=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : page_cycler_v2.intl_hi_ru
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/http___yandex.ru_yandsearch?lr_102567_text_%D0%9F%D0%BE%D0%B3%D0%BE%D0%B4%D0%B0

Revision             Result                  N
chromium@450572      48.979 +- 8.04227       21      good
chromium@450659      49.1265 +- 12.0466      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...yandex.ru.yandsearch.lr.102567.text..D0.9F.D0.BE.D0.B3.D0.BE.D0.B4.D0.B0 page_cycler_v2.intl_hi_ru

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987419830534286880

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6428866886762496


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

This appears to have recovered.