Roll src/third_party/devtools-frontend/src 51980699f7e4..992295e37d43 (5 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/51980699f7e4..992295e37d43

git log 51980699f7e4..992295e37d43 --date=short --first-parent --format='%ad %ae %s'
2020-04-27 jacktfranklin@chromium.org Move `UIString` into `Platform`
2020-04-27 mathias@chromium.org Revert "Roll deps"
2020-04-27 mathias@chromium.org Roll deps
2020-04-27 tvanderlippe@chromium.org Add extensions for implicit imports in named export declarations
2020-04-27 tvanderlippe@chromium.org Run Karma unittests on the Ninja output directory

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@992295e37d43

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/+/master/autoroll/README.md

Bug: chromium:1061125,chromium:1075437
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I4770e154e20d39364ac824f6ef522d7558126947
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2167789Reviewed-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@{#762822}

DEPS

@@ -246,7 +246,7 @@ 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': '51980699f7e4e937b48c69004ad6b5838a10aebf',
+  'devtools_frontend_revision': '992295e37d43a661098e7c4dd50e65aa765fdb1f',
   # 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.