All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=719528

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgir2WpgsM


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

win-zenbook

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980151207925748608

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980151195085799600

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : smoothness.tough_webgl_cases
  Metric       : mean_frame_time/http___www.khronos.org_registry_webgl_sdk_demos_webkit_ManyPlanetsDeep.html


To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.khronos.org.registry.webgl.sdk.demos.webkit.ManyPlanetsDeep.html smoothness.tough_webgl_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980151195085799600

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5870421049606144


| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980122381491414080

=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : smoothness.tough_webgl_cases
  Metric       : mean_frame_time/http___www.khronos.org_registry_webgl_sdk_demos_webkit_ManyPlanetsDeep.html


To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.khronos.org.registry.webgl.sdk.demos.webkit.ManyPlanetsDeep.html smoothness.tough_webgl_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980151207925748608

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5858011546910720


| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980118613922690896

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

Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : smoothness.tough_webgl_cases
  Metric       : mean_frame_time/http___www.khronos.org_registry_webgl_sdk_demos_webkit_ManyPlanetsDeep.html

Revision             Result                     N
chromium@469085      16.6659 +- 0.00515475      21      good
chromium@469263      16.6712 +- 0.0747345       21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.khronos.org.registry.webgl.sdk.demos.webkit.ManyPlanetsDeep.html smoothness.tough_webgl_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980118613922690896

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5858011546910720


| 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!

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

Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : smoothness.tough_webgl_cases
  Metric       : mean_frame_time/http___www.khronos.org_registry_webgl_sdk_demos_webkit_ManyPlanetsDeep.html

Revision             Result                    N
chromium@469085      16.6662 +- 0.0651138      21      good
chromium@469263      16.6659 +- 0.0203119      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.khronos.org.registry.webgl.sdk.demos.webkit.ManyPlanetsDeep.html smoothness.tough_webgl_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980122381491414080

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5870421049606144


| 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 alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible.