Roll src/third_party/devtools-frontend/src d4802d647c64..73f1b60756e3 (5 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/d4802d647c64..73f1b60756e3

git log d4802d647c64..73f1b60756e3 --date=short --first-parent --format='%ad %ae %s'
2020-02-06 liviurau@chromium.org Whitespace to trigger builders
2020-02-06 aerotwist@chromium.org [e2e] Performs cleaner shutdown
2020-02-06 tvanderlippe@chromium.org Test that document.write console messages properly show up
2020-02-06 tvanderlippe@chromium.org Stop running unit tests on presubmit
2020-02-06 yangguo@chromium.org Show previously hidden experiments

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@73f1b60756e3

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:1044632,chromium:1047671,chromium:1048124
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I492cb13f4aa4621e55b16da4cef08712761a975d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2041806Reviewed-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@{#739080}

DEPS

@@ -242,7 +242,7 @@ 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': 'd4802d647c641af74f3660a24d24e312c22bf394',
+  'devtools_frontend_revision': '73f1b60756e3679b90916f9d7e8312722165ec6e',
   # 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.