Call ScheduleShutdownIfIdle() from FinishCollection()

This Cl also corrects the indent in FinishCollection().

Bug: 851163
Change-Id: I77b255b2f9191979bca02f5453d54fc8bd1e36ee
Reviewed-on: https://chromium-review.googlesource.com/1101406
Reviewed-by: Mike Wittman <wittman@chromium.org>
Commit-Queue: Xi Cheng <chengx@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567403}
1 file changed