Add enterprise policy support to scatter downloading of ChromeOS updates

Enterprise admins need some form of control to reduce the spikes in bandwidth consumption when a new Chrome Device update is made available. This CL introduces a new policy to randomly distribute those downloads over a configured amount of time to reduce the spikes.

BUG=chromeos-29615: Implement scattering of downloads in UpdateEngine
TEST=update_engine works fine with new policy code.


Review URL: http://codereview.chromium.org/10281005

git-svn-id: http://src.chromium.org/svn/trunk/src/chrome/browser/policy/proto@134996 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed