[Chrome OS] Add setting for enabling whitelisting to device policy proto

Today, we allow users to specify a whitelist but not enforce it.  I can see
an argument for changing this semantic...but in M13 :-)

Add a field to the device policy proto buffer so that we can avoid changing the UI right now.

BUG=13230
TEST=build chrome

R=jkummerow@chromium.org,gfeher@chromium.org

Review URL: http://codereview.chromium.org/6825078

git-svn-id: http://src.chromium.org/svn/trunk/src/chrome/browser/policy/proto@81263 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed