GitLab

Update the HomepageSettings UI to the radio group style when homepage
conversion flag is enabled.

Change-Id: Ic5d707de0a32bb0715518953bbc6286c0ec0a2da
Bug: 1036470
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2015552Reviewed-by: Theresa  <twellington@chromium.org>
Reviewed-by: Natalie Chouinard <chouinard@chromium.org>
Commit-Queue: Wenyu Fu <wenyufu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738605}