GitLab

This updates SkFontConfigInterface::SetGlobal calls to use the smart
pointer version. This removes the awkward trailing ->unref and will
allow Skia to remove the old non-smart version of this method.

Change-Id: Icf67a1976820f5f0f07243ab1539e90e18db2ef4
Reviewed-on: https://chromium-review.googlesource.com/1058019Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Ben Wagner <bungeman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558712}