All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=847449

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=44407c0a85e5237b26c462b9544cecdaadefeddb38f85c55f0001095d7390946


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

health-plan-webview-low-end-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8945186073172361648

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

Error: INFRA_FAILURE

The bisect was able to narrow the range, you can try running with:
  good_revision: afd440c7ab4676d28731bba7b289991c4b2ebb8d
  bad_revision : b4a07f8fb37ebd6f8d5a8fdd061be710f061d843

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


Bisect Details
  Configuration: webview-low-end-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_news/browse_news_cnn
  Change       : 65.66% | 1052672.0 -> 1743872.0

Revision                                       Result                  N
android-chrome@5d9ff5e744                      1052672 +- 0.0          14      good
android-chrome@5d9ff5e744,chromium@559523      1046430 +- 28602.3      21      good
android-chrome@5d9ff5e744,chromium@559525      1422958 +- 515544       14      bad
android-chrome@5d9ff5e744,chromium@559528      1737630 +- 510588       21      bad
android-chrome@963c5cec85                      1645129 +- 532451       14      bad
android-chrome@0b66e95617                      1743872 +- 535401       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=browse.news.cnn system_health.memory_mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8945186073172361648


For feedback, file a bug with component Speed>Bisection