All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=693051

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguJbMtQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguKuhswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2P3V-ggM


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8987496808466794448

=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_raster_cpu_time_per_frame/thread_raster_cpu_time_per_frame

Suspected Commit Range
  11 commits in range
  https://chromium.googlesource.com/chromium/src/+log/140eee5b6a807d78fba47f180340a47d8ebc17ee..2b892c8633d4e17894340683093748d229dcd3e7


Revision             Result                   N
chromium@450469      9.65692 +- 0.327104      6        good
chromium@450470      ---                      ---      build failure
---                  ---                      ---      too many build failures to list
chromium@450479      ---                      ---      build failure
chromium@450480      17.0296 +- 0.764652      6        bad
chromium@450490      16.9293 +- 0.259595      6        bad
chromium@450510      16.9084 +- 0.362973      6        bad
chromium@450551      16.8719 +- 0.261516      6        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 thread_times.key_silk_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987496808466794448

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5785697144799232


| 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.