The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/f0a1ca3c560a103e16f6c01a5308767098072316

commit f0a1ca3c560a103e16f6c01a5308767098072316
Author: Alexander Alekseev <alemate@chromium.org>
Date: Thu Mar 01 03:01:01 2018

Chrome OS OOBE: Fix initialization of aria-label attributes.

This Cl fixes a bunch of places where aria-labels were incorrectly initialized
from pilymer as aria-label= instead of aria-label$= .

Bug:  817528 
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: Ie5788dfe864cee20c175e2e4dd40325b1dcc80bd
Reviewed-on: https://chromium-review.googlesource.com/942083
Reviewed-by: Wenzhao (Colin) Zang <wzang@chromium.org>
Commit-Queue: Alexander Alekseev <alemate@chromium.org>
Cr-Commit-Position: refs/heads/master@{#540007}
[modify] https://crrev.com/f0a1ca3c560a103e16f6c01a5308767098072316/chrome/browser/resources/chromeos/login/oobe_welcome.html
[modify] https://crrev.com/f0a1ca3c560a103e16f6c01a5308767098072316/chrome/browser/resources/chromeos/login/sync_consent.html