GitLab

- RendererScheduler.TasksWithSafepoints.SafepointCount
- RendererScheduler.TasksWithSafepoints.TaskSliceTime
- RendererScheduler.TasksWithSafepoints.TaskTime

Bug: 804661

Change-Id: Ib4a5fbdca90caddc8b6820216e86333f1316b725
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1578720Reviewed-by: Keishi Hattori <keishi@chromium.org>
Reviewed-by: Alexander Timin <altimin@chromium.org>
Commit-Queue: Takashi Sakamoto <tasak@google.com>
Cr-Commit-Position: refs/heads/master@{#670023}