GitLab

Leave the "print using system dialog" item (which appears when
one presses option) disabled, because that interface appears in
the Chrome process (instead of the app process).

Bug: 913396
Change-Id: Ifd5715d68fbc532533834b869a1931ed3a48237d
Reviewed-on: https://chromium-review.googlesource.com/c/1371941Reviewed-by: Dominick Ng <dominickn@chromium.org>
Commit-Queue: ccameron <ccameron@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615697}