GitLab

Also remove PaperInputBehavior. Last usages of these were in paper-input
which was removed recently.

Bug: 899982
Change-Id: I3fc9c741d726851a4c694d73d91aa11159ad8e2d
Reviewed-on: https://chromium-review.googlesource.com/c/1309226Reviewed-by: Esmael El-Moslimany <aee@chromium.org>
Commit-Queue: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#604382}