GitLab

Add recording of AnchorElementMetrics.Visible.HrefEngagementScore2.

Bug: 850624
Change-Id: I5291067e2b9f1edfb8dd4e23fca3df802a153228
Reviewed-on: https://chromium-review.googlesource.com/1156000
Commit-Queue: Lu Chen <chelu@chromium.org>
Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Cr-Commit-Position: refs/heads/master@{#579594}