GitLab

Records a UserAction at the time of the first meaningful paint.

Bug: 1067068
Change-Id: Id1b962642d7deb2b7c085fc21d2056bc8817a249
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2158018Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Commit-Queue: Kevin Marshall <kmarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#761080}