Linux native notifications: Limit origin url to eTLD+1

BUG=676220
R=peter@chromium.org
CC=thestig@chromium.org

Change-Id: I0725d4ca3eed639f0284f3f03191d58abcca9295
Reviewed-on: https://chromium-review.googlesource.com/692682
Reviewed-by: Peter Beverloo <peter@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506079}
2 files changed