Roll DevTools Frontend from 559e6e50d226 to 270e6f332c41 (1 revision)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/559e6e50d226..270e6f332c41

2020-07-20 aerotwist@chromium.org Migrates a11y to devtools_entrypoint

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:1101738
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Ic89d2f4115c10acf073950d936ccae1e4dcb94b3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2307137Reviewed-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@{#789887}

DEPS

@@ -266,7 +266,7 @@ 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': '559e6e50d2267814572c1a630d0da630a4e61c8b',
+  'devtools_frontend_revision': '270e6f332c4179801c60551c828c07c69104e594',
   # 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.