All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=890869

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=221ce7f2d003f4e1a036cc3439082937e2f8646fc7428ea37dbf72f7709156b2


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

Android Nexus5X WebView Perf

loading.mobile - Benchmark documentation link:
  https://bit.ly/loading-benchmarks

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/102cb040e40000

📍 Found significant differences after each of 13 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/102cb040e40000

tabs: Report tab-switching request delay. by sadrul@chromium.org
https://chromium.googlesource.com/catapult/+/600cb5aa8a50bf2f723671ee7ed62aa722250677
timeToFirstContentfulPaint: No values → No values

Roll src/third_party/catapult cf56f6f1be08..100f0ee2ceb7 (2 commits) by catapult-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com
https://chromium.googlesource.com/chromium/src/+/2998a12c645c8217787c0b7a1963024cb10cefe3
timeToFirstContentfulPaint: No values → No values

Reland "NetworkContext: Always create the CookieStore and ChannelIDStore" by mmenke@chromium.org
https://chromium.googlesource.com/chromium/src/+/df45365eaf5d9a3474356bc3d18a401645cbdf5c
timeToFirstContentfulPaint: No values → No values

[Media Session] Listen to WebContents muted state by beccahughes@chromium.org
https://chromium.googlesource.com/chromium/src/+/8617ff7583076c0622dc3ca1d443d2665f247661
timeToFirstContentfulPaint: No values → No values

Move av1_buildflags from deps to public_deps by sabbakumov@yandex-team.ru
https://chromium.googlesource.com/chromium/src/+/4003d9cfaca313c3b46cf7900a814c2f2aa6676d
timeToFirstContentfulPaint: No values → No values

Make the touch pointer list of the synthetic WebTouchEvent contiguous by lanwei@chromium.org
https://chromium.googlesource.com/chromium/src/+/09742f44c69ef8db7be4f43097985447a97adfeb
timeToFirstContentfulPaint: No values → No values

Tag two canvas blending layout tests as slow by zakerinasab@chromium.org
https://chromium.googlesource.com/chromium/src/+/a2dd07717d19ca94a52d5dc8752366accab649cf
timeToFirstContentfulPaint: No values → No values

Improve SimpleURLLoaderTest.DeleteInOnRedirectCallback by svillar@igalia.com
https://chromium.googlesource.com/chromium/src/+/5d56507e346c7ad2b8e70eb6858dc278e9d8288c
timeToFirstContentfulPaint: No values → No values

Fix crash for apps grid gap by weidongg@chromium.org
https://chromium.googlesource.com/chromium/src/+/db5f4939a7d01aeb82351328fff0bc4c3bf834f5
timeToFirstContentfulPaint: No values → No values

Fix ShapeResult::EnsureGrapheme when there are no RunInfo by kojii@chromium.org
https://chromium.googlesource.com/chromium/src/+/8fea83427e1ab44eb27785a42107e8f8470400ff
timeToFirstContentfulPaint: No values → No values

Roll src/third_party/pdfium b53ef1e52d40..cede561c5ae6 (1 commits) by pdfium-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com
https://chromium.googlesource.com/chromium/src/+/0104cab846af405d6c8081a76b6e24014343fd31
timeToFirstContentfulPaint: No values → No values

Try disabling surface layers for videos in WebGL tests. by kbr@chromium.org
https://chromium.googlesource.com/chromium/src/+/8607ff1e36d22460d7c25735085d1dacc4a40849
timeToFirstContentfulPaint: No values → No values

Paint timing: revert back to swap-time by npm@chromium.org
https://chromium.googlesource.com/chromium/src/+/f962a47e219a605eb9648251df3d76471fe06bd9
timeToFirstContentfulPaint: No values → 5.698e+04

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

Benchmark documentation link:
  https://bit.ly/loading-benchmarks

https://chromium.googlesource.com/chromium/src/+/5d56507e346c7ad2b8e70eb6858dc278e9d8288c cannot cause any performance regression in production code as it's only modifying an unit test.

https://chromium.googlesource.com/chromium/src/+/4003d9cfaca313c3b46cf7900a814c2f2aa6676d cannot cause any performance regression in production code as it's only modifying BUILD.gn file.

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/16a3022ce40000

I changed FCP. Running bisect on FMP

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/16a3022ce40000

All of the runs failed. The most common error (160/300 runs) was:
ReadValueError: Could not find values matching: {'story': u'FranceTVInfo_3g', 'tir_label': u'Regular-3G', 'histogram': u'timeToFirstMeaningfulPaint'}