GitLab

This CL moves static input from FindNotificationsToShow to the
constructor.

This can help to improve testing and make it easier to add more
features in the future.

Bug: 963304
Change-Id: I0931c72cbcb59bed1506a48c41974eee7435ab77
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1732478
Commit-Queue: Xing Liu <xingliu@chromium.org>
Reviewed-by: Hesen Zhang <hesen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#684195}