tree e73d1665d7ad779cc628c17f70fa8edf0c5c4f4a
parent 19fe4c3c441ce5b235174bc643dc5f76a6374c16
author Alex Deymo <deymo@chromium.org> 1391642459 -0800
committer chrome-internal-fetch <chrome-internal-fetch@google.com> 1392941460 +0000

PolicyManager: New EvaluationContext class.

The EvaluationContext class handles the life of a policy request
evaluation caching all the results and tracking the variables used
by a the policy implementation.

This patch adds the first part of the EvaluationContex class with
its public interface and minimal support.

BUG=chromium:338590
TEST=Unit test added and passing.

Change-Id: I70e04e7e10ea30ddfb887b494b2b40557565b2da
Reviewed-on: https://chromium-review.googlesource.com/185106
Reviewed-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>