perf: Probers for new UI
perf: Probers for new UI

BUG=skia:

Change-Id: Iec387d749335db6c0c94dbc10689ecc957bfb4cb
Reviewed-on: https://skia-review.googlesource.com/5345
Reviewed-by: Ben Wagner <3ef7217be91069877d94f7907ce5479000772cd3@google.com>
Commit-Queue: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot