Use chip framework for quiet notification prompt.

This CL adds the possibility to display a permission prompt in a less
prominent chip. Only requests from origins with an abusive reputation
will be scheduled for the quiet chip.

[Google internal] All test cases for the quiet chip.
https://docs.google.com/spreadsheets/d/1AxruYU2ZrqGN06sNtWxjmkr_a0EaG89vbJRHY4A36zA/edit?usp=sharing

Bug: 1177760
Change-Id: Iaf1a7204b56d64e3aedbdba4e68f7f82b62d43c3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2690644


Commit-Queue: Illia Klimov <elklm@google.com>
Reviewed-by: Balazs Engedy <engedy@chromium.org>
Reviewed-by: Caitlin Fischer <caitlinfischer@google.com>
Reviewed-by: Andy Paicu <andypaicu@chromium.org>
Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#899187}