Remove content/linux_sandbox dependence on content_switches.h

These must move to service_manager/sandbox/switches.h before
linux_sandbox/ can move out from under content.

Bug: 708738
Change-Id: Ie7e9a1e6ece379651e91579c88f4ee25f740f43e
Reviewed-on: https://chromium-review.googlesource.com/734265
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Cr-Commit-Position: refs/heads/master@{#511244}
17 files changed