Use CupsPrintersManager in CupsPrintJobManager

Previously, CupsPrintJobManager relied on the fact that all installing a
printer moved it into saved printers for checking whether the printer
still exists to show a status notification.

Bug: 962571
Change-Id: I72c4d69e52a73d1eca13f7e850dc884ec48f2296
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1617211
Auto-Submit: Bailey Berro <baileyberro@chromium.org>
Reviewed-by: Sean Kau <skau@chromium.org>
Commit-Queue: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#661393}
1 file changed