GitLab

We will maintain a distinct "ticker" for each timer to workaround
synchronization issues that exist with ticking multiple timers in unison
due to differences in their respective fractional seconds remaining.

Bug: b:149570650
Change-Id: Ie5e4d1aa53b9ae2189514ad626b21168ae668a92
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2271521Reviewed-by: David Black <dmblack@google.com>
Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Reviewed-by: Jeroen Dhollander <jeroendh@google.com>
Commit-Queue: David Black <dmblack@google.com>
Cr-Commit-Position: refs/heads/master@{#783780}