The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/34f68f314f4527703c3244430434219227351e41

commit 34f68f314f4527703c3244430434219227351e41
Author: Robert Sesek <rsesek@chromium.org>
Date: Mon Jan 14 20:25:11 2019

Initial Seatbelt profile for the network service sandbox on Mac.

This renames the NetworkServiceWindowsSandbox feature to
NetworkServiceSandbox and uses it for Mac. When it is enabled with
NetworkService, places the network service within the new sandbox profile.

Tbr: jam
Bug: 915910
Change-Id: If02d45625bf7b491fc5ff9984e91d4386a702084
Reviewed-on: https://chromium-review.googlesource.com/c/1380995
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Reviewed-by: Greg Kerr <kerrnel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622580}
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/chrome/browser/chrome_content_browser_client.cc
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/chrome/browser/chrome_content_browser_client.h
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/content/browser/child_process_launcher_helper_mac.cc
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/content/browser/sandbox_parameters_mac.h
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/content/browser/sandbox_parameters_mac.mm
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/content/public/browser/content_browser_client.cc
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/content/public/browser/content_browser_client.h
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/services/service_manager/sandbox/features.cc
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/services/service_manager/sandbox/features.h
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/services/service_manager/sandbox/mac/BUILD.gn
[add] https://crrev.com/34f68f314f4527703c3244430434219227351e41/services/service_manager/sandbox/mac/network.sb
[modify] https://crrev.com/34f68f314f4527703c3244430434219227351e41/services/service_manager/sandbox/sandbox_type.cc