GitLab

This CL removes the NONE action type. Instead of returning a vector of
one action with the NONE type, RulesetManager::EvaluateRequest will
instead return an empty vector if no DNR rules match with the request.

Bug: 1004006
Change-Id: I7dc2b7b59540f3d185b9585e530818f92e6201b7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1809882Reviewed-by: Karan Bhatia <karandeepb@chromium.org>
Commit-Queue: Kelvin Jiang <kelvinjiang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#698651}