GitLab

Added aria-labels as one of the possible things to be used as a label
for form control elements because they may contain useful information
for username detection.

Bug: 783185
Change-Id: I59a7f025c616f38d533c9c9a7327ec8ec9021c4c
Reviewed-on: https://chromium-review.googlesource.com/951765Reviewed-by: Maxim Kolosovskiy <kolos@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Commit-Queue: Maxim Kolosovskiy <kolos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#541929}