All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=846083

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=59074aab4342afd1fc476025f3eac6a595777ba806813335d1a1ef86566cda74


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

android-webview-nexus5X

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/16c283dc240000

📍 Found significant differences after each of 4 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/16c283dc240000

FileManagerBrowserTest: change test name tabindexSearchBoxFocus by noel@chromium.org
https://chromium.googlesource.com/chromium/src/+/07b5b32fb4d9de4d7ea619b2c3de3808b5831d0c
376.2 → 385.7 (+9.44)

Refactor bidi adjustment code in SelectionController by xiaochengh@chromium.org
https://chromium.googlesource.com/chromium/src/+/dee8da7ff5ff4e3d03899bc75260a84cc6a93736
381.9 → 373.8 (-8.154)

Roll AFDO from 68.0.3429.0_rc-r1 to 68.0.3430.0_rc-r1 by afdo-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com
https://chromium.googlesource.com/chromium/src/+/e90e948c1ee64c12d64acedfd86a25740624bae2
368 → 329.4 (-38.56)

Update traffic_annotation_auditor's safe list processing. by rhalavati@chromium.org
https://chromium.googlesource.com/chromium/src/+/2edced5d340bd5eba8f6a46c3a98ef2bf5e55161
329.4 → 322.6 (-6.785)

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

This cannot be related to my change. The change does not affect Chrome in runtime and only changes network traffic annotation tests in commit queue.

Nor mine: it was a change to a browser test.

Downgrading P2 issues unmodified for more than 6 months, which have no owner or component.