All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=708549

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3N_k6goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3PiS6woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgvJz2_AoM


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

android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8983144927730155792

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

Suspected Commit
  Author : ricea
  Commit : 6dbcaaae9b0de50e03a7b11cb0506a8b4b42923f
  Date   : Tue Apr 04 06:24:11 2017
  Subject: Ship WritableStream

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : blink_perf.bindings
  Metric       : first-child/first-child
  Change       : 10.11% | 236.292491432 -> 212.404880837

Revision             Result                   N
chromium@461604      236.292 +- 2.03463       6      good
chromium@461626      234.674 +- 0.96589       6      good
chromium@461637      236.223 +- 0.748607      6      good
chromium@461642      236.163 +- 1.67718       6      good
chromium@461643      212.46 +- 2.12729        6      bad       <--
chromium@461644      212.23 +- 1.58871        6      bad
chromium@461645      213.178 +- 1.54543       6      bad
chromium@461647      212.405 +- 2.80037       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.bindings

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983144927730155792

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5037402516619264


| 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 is the appendChild() regression I was talking about. Any ideas?