All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=775971

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=d8d4332e8cb84c28bbd8971a75fc46f6280c08b0447c48fec6e7f5e423ac8455


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8965381454872991392

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

Suspected Commit
  Author : Stephen Chenney
  Commit : 8ff2371257ac4f24d77da4a62569840a53c49b47
  Date   : Thu Oct 12 13:11:52 2017
  Subject: Prevent squashing of border-radius layers

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/foreground/http_m_youtube_com_results_q_science
  Change       : 2.89% | 20609808.0 -> 21205776.0

Revision             Result                   N
chromium@508317      20609808 +- 148898       6      good
chromium@508324      20571408 +- 56161.5      6      good
chromium@508327      20487099 +- 118587       6      good
chromium@508328      20527035 +- 154828       6      good
chromium@508329      21195024 +- 228419       6      bad       <--
chromium@508330      21201168 +- 153634       6      bad
chromium@508342      21174203 +- 148636       6      bad
chromium@508367      21205776 +- 398155       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=http.m.youtube.com.results.q.science memory.top_10_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8965381454872991392


For feedback, file a bug with component Speed>Bisection