GitLab

Implement two more methods in PageInfoDelegateImpl and add browsertests
to verify expected behavior.

Bug: 1052375
Change-Id: I474bbd06ad2736894881461cb8381b0adf0dcfa4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2170348Reviewed-by: Clark DuVall <cduvall@chromium.org>
Commit-Queue: Mugdha Lakhani <nator@chromium.org>
Cr-Commit-Position: refs/heads/master@{#763428}