All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=784353

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a4ff26fa011ea1eacf880a3b8b804b9b2e2665cc265fe67c24b512c0f8fcb49e


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

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

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8963036294846273680

Revert of recent improvement.

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

Suspected Commit
  Author : Jakob Gruber
  Commit : b0996927fb63f1e2277c8d1cddf4cae2435bdedb
  Date   : Fri Nov 10 10:46:33 2017
  Subject: Revert "[snapshot] Flip --lazy-handler-deserialization"

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:v8:effective_size_avg/background/after_https_m_facebook_com_rihanna
  Change       : 23.45% | 1410496.66667 -> 1741222.66667

Revision                           Result                  N
chromium@515565                    1410497 +- 18460.0      6      good
chromium@515569                    1410474 +- 18314.4      6      good
chromium@515571                    1410481 +- 18310.2      6      good
chromium@515571,v8@9eaf163d6f      1407095 +- 114.914      6      good
chromium@515571,v8@5a6cc315f8      1407143 +- 87.9394      6      good
chromium@515571,v8@b0996927fb      1747873 +- 23135.9      6      bad       <--
chromium@515572                    1741225 +- 105.021      6      bad
chromium@515578                    1741190 +- 111.964      6      bad
chromium@515591                    1741187 +- 136.167      6      bad
chromium@515617                    1741223 +- 100.664      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=https.m.facebook.com.rihanna 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/8963036294846273680


For feedback, file a bug with component Speed>Bisection