Roll DevTools Frontend from 84d986f9a16a to 55b591c650f4 (4 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/84d986f9a16a..55b591c650f4

2020-07-21 brgoddar@microsoft.com Revert "Copy sourcemaps over in is_debug mode"
2020-07-21 tmathmeyer@chromium.org Add a "Hide player" to right click menu on media player list
2020-07-21 tmathmeyer@chromium.org Keep event pane scrolled to bottom if it is already there
2020-07-21 jacktfranklin@chromium.org Copy sourcemaps over in is_debug mode

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:1104375,chromium:1104376
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I5eb409c554e76f81993360346dcf935fc446b31f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2310751Reviewed-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@{#790584}

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': '84d986f9a16ac7224e31dc2e7971ed94d60822ef',
+  'devtools_frontend_revision': '55b591c650f4d1cf830c389ddf44e4335e3d7197',
   # 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.