GitLab

microseconds - kMicrosecondsPerMillisecond could cause an overflow if
microseconds is too small (close to INT64_MIN)

Bug: 1065504
Change-Id: I827dc3479eabbf1be5fdf964dbcb34bc48d7f401
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2129788Reviewed-by: Gabriel Charette <gab@chromium.org>
Commit-Queue: Qijiang Fan <fqj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#754979}