GitLab

Support for Rappor metrics is being removed, and WebVr is also being
removed.  This change removes some WebVr Rappor metrics (note that some
instances where these metrics were logged has been previously deleted)

Bug: 1016906,960132
Change-Id: Idd4f8de112de0eb5c714dc616c850bf1e92f2ef1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1879697Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Reviewed-by: Klaus Weidner <klausw@chromium.org>
Commit-Queue: Alexander Cooper <alcooper@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709146}