All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=702677

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgjPzv9QkM


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8984856611817343632

=== Auto-CCing suspected CL author rockot@chromium.org ===

Hi rockot@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : rockot
  Commit : 9eadabae1de0cb22725450596fe324f03dd63b92
  Date   : Wed Mar 15 23:57:47 2017
  Subject: Mojo: Armed Watchers

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : page_cycler_v2.intl_ar_fa_he
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-cold/http___www.masrawy.com_
  Change       : 6.56% | 1925.941 -> 2052.20352381

Revision             Result                  N
chromium@457216      1925.94 +- 324.002      21      good
chromium@457249      1910.15 +- 358.938      9       good
chromium@457266      1932.44 +- 363.609      14      good
chromium@457268      1922.18 +- 235.635      14      good
chromium@457269      2079.94 +- 456.219      14      bad       <--
chromium@457270      2123.71 +- 266.314      9       bad
chromium@457275      2075.24 +- 268.235      9       bad
chromium@457282      2104.36 +- 328.226      14      bad
chromium@457347      2052.2 +- 642.061       21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.masrawy.com. page_cycler_v2.intl_ar_fa_he

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8984856611817343632

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5303341304774656


| 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!

Lumping this into a general Mojo optimization bug, since I don't see anything about this change or metric that can be targeted specifically.