All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=750234

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=513379bcfe2fbe7896662195fe5ee85da0dfc02231beb3bbb3a55cf3f26a1000


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

android-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8972808770072587632

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : mastiz
  Commit : c63d78c7a25a50f2fdfa0ab5cbb5566a21a6774e
  Date   : Mon Jul 24 09:23:04 2017
  Subject: Always prefer 192x192 on mobile, also for touch icons

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:java_heap:proportional_resident_size_avg/browse_news/browse_news_washingtonpost
  Change       : 3.87% | 26700288.0 -> 27732992.0

Revision             Result                  N
chromium@488928      26700288 +- 387559      6      good
chromium@488932      26573141 +- 313627      6      good
chromium@488934      26688512 +- 270460      6      good
chromium@488935      27576661 +- 262363      6      bad       <--
chromium@488936      27707733 +- 349503      6      bad
chromium@488944      27771904 +- 236347      6      bad
chromium@488959      27846315 +- 167152      6      bad
chromium@488990      27667456 +- 352542      6      bad
chromium@489051      27732992 +- 297574      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-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.news.washingtonpost 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/8972808770072587632


For feedback, file a bug with component Speed>Bisection