Remove fullscreen_chromeos.cc

Bug: none
Change-Id: Ie03afd866c41c5271a1031ce1f62fe517fed7990
Reviewed-on: https://chromium-review.googlesource.com/746994
Commit-Queue: Evan Stade <estade@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#513286}
7 files changed