The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d9a0e1c2a5951a2cd306af7cc34cdbe2e1567d04

commit d9a0e1c2a5951a2cd306af7cc34cdbe2e1567d04
Author: Tetsui Ohkubo <tetsui@chromium.org>
Date: Thu Oct 19 01:55:34 2017

Adjust style of ARC migration successful notification.

This CL makes style changes to ARC migration successful notification.

- Add new material design icon to ARC migration successful
  notification.
- Remove old icon on the right side.
- Add title and adjust message string.

This CL corresponds with https://crrev.com/c/666597 , which makes
similar changes to ARC migration notification ("Install OS update").

TEST=manual
BUG= 775818 

Change-Id: If483a86e932af3a8463bd282db3d325a9984c4a2
Reviewed-on: https://chromium-review.googlesource.com/725025
Reviewed-by: Yusuke Sato <yusukes@chromium.org>
Commit-Queue: Tetsui Ohkubo <tetsui@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509969}
[modify] https://crrev.com/d9a0e1c2a5951a2cd306af7cc34cdbe2e1567d04/chrome/app/chromeos_strings.grdp
[modify] https://crrev.com/d9a0e1c2a5951a2cd306af7cc34cdbe2e1567d04/chrome/browser/chromeos/arc/arc_migration_guide_notification.cc