GitLab

Cleans up left over code in https://crrev.com/c/2265693. Also adds a
test to verify full url is used when launching a web app from intent.

Fixed: 1157281
Change-Id: I47597bc93903ab9b8aa80bf3ddfa484676640e1e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2589258
Commit-Queue: Jiewei Qian  <qjw@chromium.org>
Reviewed-by: Maggie Cai <mxcai@chromium.org>
Reviewed-by: Nancy Wang <nancylingwang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836950}