Update transient URL bar, toast and in secure warning UX

Bug: None
Change-Id: I4079665b9665fa5be38b0c4138dbd2ee4d2d3b1a
Reviewed-on: https://chromium-review.googlesource.com/577917
Commit-Queue: Biao She <bshe@chromium.org>
Reviewed-by: Yash Malik <ymalik@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488528}
3 files changed