validation_pool: Prep for pickling change.
Add an additional ValidationPool argument that is ignored for the sake
for an upcoming value that needs to be preserved during pickling.
BUG=chromium:549844
TEST=cbuildbot/run_tests --network
Change-Id: I0a4b1f1b96bb47f37b53ab92b7dc944fd0ac6630
Reviewed-on: https://chromium-review.googlesource.com/312116
Commit-Ready: Don Garrett <dgarrett@chromium.org>
Tested-by: Don Garrett <dgarrett@chromium.org>
Reviewed-by: David James <davidjames@chromium.org>
1 file changed
