GitLab

Use base::TimeDelta instead.

Change-Id: I8065fbb31e0360180ed2d201fd3a1c31c20b8144
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2522237Reviewed-by: Ken Rockot <rockot@google.com>
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825026}