GitLab

Tries to deal with the most egregious bugs reported by VFO that have to do with selection.
R=dmazzoni@chromium.org
TESTED=Layout tests, manually with Jaws

Bug: 747452
Change-Id: I5806087e4c9871150fc33dd423641d61fadee1e3
Reviewed-on: https://chromium-review.googlesource.com/580541
Commit-Queue: Nektarios Paisios <nektar@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488721}