All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=891002

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=66adf7d7b1008a842ba38cf7088b5d8bc81bb02f3a0ea67be376384fb791bdb6


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

Android Nexus5 Perf
Android Nexus5X WebView Perf

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

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/12ce9137640000

📍 Found significant differences after each of 5 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/12ce9137640000

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

Paint timing: revert back to swap-time by npm@chromium.org
https://chromium.googlesource.com/chromium/src/+/f962a47e219a605eb9648251df3d76471fe06bd9
timeToFirstContentfulPaint: No values → 6.393e+04

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

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

FCP definition was changed by my CL, so changes there seem reasonable to me. FMP I'm not sure? Running a bisect on one of the FMP graphs

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/101e77e4e40000

📍 Found significant differences after each of 10 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/101e77e4e40000

[platform] Call OnNativeWidgetDestroying on CloseNow call. by msisov@igalia.com
https://chromium.googlesource.com/chromium/src/+/5df3d8dfff939d8dfb8442a33ffe915f340a809b
timeToFirstMeaningfulPaint: No values → No values

Add unique font name lookup table implementation and tests by drott@chromium.org
https://chromium.googlesource.com/chromium/src/+/7e00fed99a45512b17c974482c73ddcb72181850
timeToFirstMeaningfulPaint: No values → No values

[mjsunit] Move the implementation of testAsync into a separate file by ahaas@chromium.org
https://chromium.googlesource.com/v8/v8/+/8c3c1b6c0f3e9b31ef586cff5fcfb0693d209891
timeToFirstMeaningfulPaint: No values → No values

[wasm] Implement the new API for WebAssembly.instantiateStreaming by ahaas@chromium.org
https://chromium.googlesource.com/v8/v8/+/b556c9eaa6acbe14be8e63e168f0ae5f0ab23e35
timeToFirstMeaningfulPaint: No values → No values

Remove misleading "_index" suffix from some native context slots. by neis@chromium.org
https://chromium.googlesource.com/v8/v8/+/24beac317bb9396a945d318fd5721f9386bb0e1e
timeToFirstMeaningfulPaint: No values → No values

VR: Extract the WebXR presentation state in a separate file by acondor@chromium.org
https://chromium.googlesource.com/chromium/src/+/43e1c81e5b2d1ae57c3e3fedcd061a82948c8e75
timeToFirstMeaningfulPaint: No values → No values

[iOS] Disable URL clipping on iOS 12. by stkhapugin@chromium.org
https://chromium.googlesource.com/chromium/src/+/f57e8226cbc39a1031bca892ee8b36178a10c83c
timeToFirstMeaningfulPaint: No values → No values

Adjust toolbar height in fullscreen by gambard@chromium.org
https://chromium.googlesource.com/chromium/src/+/776ec84b76b241278a98e8f593820b056c84376a
timeToFirstMeaningfulPaint: No values → No values

Clang: the tip-of-tree version is now 8.0.0svn by hans@chromium.org
https://chromium.googlesource.com/chromium/src/+/6a6bf055c5b76e92201c13cb0c7f11ddb00247ba
timeToFirstMeaningfulPaint: No values → No values

Paint timing: revert back to swap-time by npm@chromium.org
https://chromium.googlesource.com/chromium/src/+/f962a47e219a605eb9648251df3d76471fe06bd9
timeToFirstMeaningfulPaint: No values → 1.173e+04

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

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

Bisect seems to get fixed after flipping back to swap timestamps, for some reason. Due to this, it's unclear if graphs changed otherwise.