The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8

commit e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8
Author: forshaw <forshaw@chromium.org>
Date: Fri Apr 08 18:03:43 2016

Removed old AppContainer support.
This patch removes the old unused AppContainer support from the Windows
sandbox.

BUG= 601735 
BUG=476708

Review URL: https://codereview.chromium.org/1867223005

Cr-Commit-Position: refs/heads/master@{#386126}

[modify] https://crrev.com/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8/sandbox/win/BUILD.gn
[modify] https://crrev.com/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8/sandbox/win/sandbox_win.gypi
[delete] https://crrev.com/fe515adb0e0bab62cafd8bfb6dc09df848a27d90/sandbox/win/src/app_container.cc
[delete] https://crrev.com/fe515adb0e0bab62cafd8bfb6dc09df848a27d90/sandbox/win/src/app_container.h
[modify] https://crrev.com/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8/sandbox/win/src/app_container_test.cc
[delete] https://crrev.com/fe515adb0e0bab62cafd8bfb6dc09df848a27d90/sandbox/win/src/app_container_unittest.cc
[modify] https://crrev.com/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8/sandbox/win/src/broker_services.cc
[modify] https://crrev.com/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8/sandbox/win/src/broker_services.h
[modify] https://crrev.com/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8/sandbox/win/src/sandbox.h
[modify] https://crrev.com/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8/sandbox/win/src/sandbox_policy.h
[modify] https://crrev.com/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8/sandbox/win/src/sandbox_policy_base.cc
[modify] https://crrev.com/e83b4ce4a7ea0fef9538a6c10a50c82ab4b487d8/sandbox/win/src/sandbox_policy_base.h

Marking fixed based on c#1 and no new updates. if more work pending, please reopen. ALso, does not need security low tags since this is security feature enhancement bugs.