GitLab

Intuit the button type from the presence or absence of the placeholder
text.

Bug: 797128
Change-Id: I6fe658f644e42b0556ffcaac9bc7322f44f88fea
Reviewed-on: https://chromium-review.googlesource.com/900184Reviewed-by: Yoshiki Iguchi <yoshiki@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Commit-Queue: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#534704}