Roll DevTools Frontend from 64ede2e08af7 to 8a57e3f8a422 (5 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/64ede2e08af7..8a57e3f8a422

2021-03-02 sigurds@chromium.org Fix MIME test
2021-03-02 bmeurer@chromium.org [lmi] Gate the icon behind the experiment.
2021-03-02 sigurds@chromium.org Don't check file-by-file in presubmit if there are more than 50..
2021-03-02 jacktfranklin@chromium.org [TreeOutline]: add attribute to enable entire node to be clickable
2021-03-02 alexrudenko@chromium.org Enable flaky assertion tests

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:1166108,chromium:1166577,chromium:1166669,chromium:1174063,chromium:1179656,chromium:1182254
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: If5c75697bfb74b847cf615a279195722fc211fd0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2729423
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#859081}

DEPS

@@ -283,7 +283,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling devtools-frontend
   # and whatever else without interference from each other.
-  'devtools_frontend_revision': '64ede2e08af7d55eb1ce98cc004a40d5a06e657c',
+  'devtools_frontend_revision': '8a57e3f8a422541ee79362262a168479084f6b7e',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libprotobuf-mutator
   # and whatever else without interference from each other.