Local NTP: Hide rows of MV tiles when they don't fit on screen

Bug: 755761, 705655
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: Icb3f651b0d9d07f5b132a7def299d6c98be47dba
Reviewed-on: https://chromium-review.googlesource.com/726079
Reviewed-by: Chris Pickel <sfiera@chromium.org>
Commit-Queue: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#513758}
2 files changed