GitLab

MessagePopupCollection::GetBaseLine had an unused argument
ToastContentsView* last_toast. It was just used as a boolean value.

TEST=message_center_unittests
BUG=none

Change-Id: I044a057074fdcf2cd5227746e83c0f8ecfd01ee3
Reviewed-on: https://chromium-review.googlesource.com/895204Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: Tetsui Ohkubo <tetsui@chromium.org>
Cr-Commit-Position: refs/heads/master@{#534873}