Run font_service in-browser

Instead of running font_service in the utility service, move it back to running
in-browser, as process creation and memory usage overhead seems too high.

Bug: 862553
Change-Id: I42333d07e0e79be55bd5491d9a4ef5d4dd28c874
Reviewed-on: https://chromium-review.googlesource.com/1133002
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Ken Rockot <rockot@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Dominik Röttsches <drott@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575234}
8 files changed