Change-Id: I4afa86fa7a6b772124de56114910a1ca5e3d4511
BUG=
TEST=Ran through update harness code and ran loman.
Review URL: http://codereview.chromium.org/3612004
This is needed in order to do the right thing when adding projects
which require a revision attribute.
BUG=6811
TEST=Updated unittests and verified they pass.
Verified that I can add chromeos-kernel-next and revision gets set.
Change-Id: I12818dad464094cd50098170da3fcf38b1e32f17
Review URL: http://codereview.chromium.org/3400019