All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=708548

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgvIDavgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3MvArAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3P-SowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgvM7dvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3OqfrQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgvJj78AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3Lf9oAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgvKrUsAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3Lj65QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3Om7vQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgvK7TrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3JmFpgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3K634wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgvOrcowoM


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

android-nexus5
android-nexus6
android-nexus7v2
android-webview-nexus5X
android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8983144940548897248

=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

The bisect was able to narrow the range, you can try running with:
  good_revision: 54106f055fcaed85a4cfd34d749eaf7ebf107137
  bad_revision : 2883a84cfe170ade4f4be2f093d86fc1acf72b87

If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:v8:effective_size_avg/background_social/background_social_facebook
  Change       : 5.38% | 4924768.0 -> 5189682.66667

Revision             Result                  N
chromium@461618      4924768 +- 37306.8      6      good
chromium@461634      4935303 +- 19748.0      6      good
chromium@461642      4929774 +- 20424.9      6      good
chromium@461644      5273641 +- 155075       6      bad
chromium@461646      5249007 +- 319729       6      bad
chromium@461649      5189683 +- 408769       6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

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 --story-filter=background.social.facebook system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983144940548897248

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6106493696344064


| 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.