All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=634230

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpr2z9QgM


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

chromium-rel-mac-hdd

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9005283054178893648

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Refactoring: Make member variables in Resource private
Author  : hajimehoshi
Commit description:
  
This CL moves some member variables in Resource class from protected to
private to improve code health.

BUG=n/a
TEST=webkit_unit_tests

Review-Url: https://codereview.chromium.org/2199713002
Cr-Commit-Position: refs/heads/master@{#408943}
Commit  : 33e8546b6e54b2a38d9baa327f45238cf6d64c28
Date    : Mon Aug 01 11:50:46 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@408937  5818334  113858   5  good
chromium@408941  5804398  136186   5  good
chromium@408942  5758226  148649   5  good
chromium@408943  6179120  110718   5  bad    <--
chromium@408944  6247133  75974.2  5  bad
chromium@408950  6208480  98969.6  5  bad
chromium@408963  6215331  95059.3  5  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 634230

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests system_health.memory_desktop
Test Metric: load_media-memory:chrome:all_processes:reported_by_chrome:partition_alloc:effective_size_avg/load_media_soundcloud
Relative Change: 6.82%
Score: 99.5

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/704
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9005283054178893648


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5910291288686592

| 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 Tests>AutoBisect.  Thank you!