All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=633529

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpsz6rwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpoiS7goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5pKRrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5uK3qgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpu2DsAkM


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

chromium-rel-mac-retina
chromium-rel-win10
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
linux-release

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9005450803133899968

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


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean      Std Dev  N   Good?
chromium@406549  21806350  799.608  12  good
chromium@408985  21806342  818.425  8   bad

Bisect job ran on: mac_retina_perf_bisect
Bug ID: 633529

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_social-memory:chrome:all_processes:reported_by_chrome:skia:effective_size_avg/load_social_facebook
Relative Change: 0.00%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1507
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9005450803133899968


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5795818733305856

| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9005329047713010272

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9004247583987379488

===== 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@408936  5704499  51681.1  5  good
chromium@408942  5709414  65125.1  5  good
chromium@408943  6149704  36635.7  5  bad    <--
chromium@408944  6125947  53200.7  5  bad
chromium@408946  6129224  54185.0  5  bad
chromium@408958  6125947  44342.9  5  bad

Bisect job ran on: winx64_zen_perf_bisect
Bug ID: 633529

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --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_google_images
Relative Change: 7.39%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/381
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9004247583987379488


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5848457667936256

| 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!