Roll DevTools Frontend from db5db9a0afbe to 255926129b10 (1 revision)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/db5db9a0afbe..255926129b10

2020-06-02 patrick.brosset@microsoft.com Introducing a general UI interaction test for the Network panel

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:1079076
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I5e718f75fd63505303e228d73deaaab6105df497
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2226464Reviewed-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@{#774062}

DEPS

@@ -249,7 +249,7 @@ 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': 'db5db9a0afbe547d97530cdc983936fbce8f869a',
+  'devtools_frontend_revision': '255926129b1086f94f9cb6a38c6a26572e33561c',
   # 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.