GitLab

Currently, the password manager doesn't autofill forms with prefilled values in the username
field in order to preserve existing information. This CL changes the behavior to autofill
in cases where the prefilled username value is part of a list of known placeholders.

Bug:832622

Change-Id: I9178eac0e609655c61e5e1caf35d083414e14b8b
Reviewed-on: https://chromium-review.googlesource.com/1007723Reviewed-by: Vaclav Brozek <vabr@chromium.org>
Reviewed-by: Christos Froussios <cfroussios@chromium.org>
Commit-Queue: Ioana Pandele <ioanap@chromium.org>
Cr-Commit-Position: refs/heads/master@{#551290}