GitLab

These are being rewritten according to the "Finch Seed Dissemination in
WebView" design doc.

BUG=733857

Change-Id: Ie573c6aeebe7b37450c3a40c57f746f9fad96367
Reviewed-on: https://chromium-review.googlesource.com/959620Reviewed-by: Bo <boliu@chromium.org>
Commit-Queue: Paul Miller <paulmiller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542852}