Roll DevTools Frontend from 86a7c52a9341 to db4f0a699e04 (5 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/86a7c52a9341..db4f0a699e04

2020-11-06 tvanderlippe@chromium.org Use TypeScript-authored files for performance_monitor/
2020-11-06 alexrudenko@chromium.org Remove _impl suffix from overlay filenames
2020-11-06 tvanderlippe@chromium.org Typecheck lighthouse/LighthousePanel.js with TypeScript
2020-11-06 tvanderlippe@chromium.org Typecheck performance_monitor/PerformanceMonitor.js with TypeScript
2020-11-06 jacktfranklin@chromium.org Clear karma-coverage before a coverage test run.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/devtools-frontend-chromium
Please CC devtools-waterfall-sheriff-onduty@grotations.appspotmail.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Bug: chromium:1011811
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Ibf34e8182f7ec64ff727fc21438f65f7abf7abd2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2522647


Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#824889}