tree 1ff522c46babcc07330bd30ded1c1e8b04e17fa3
parent 3142417d8b8615c51887a9d9bc3281406809a1d1
author Gabriel Schine <thatguy@google.com> 1546493454 -0800
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1546552631 +0000

[sessionmgr][refactor] Add NoopStoryModelStorage.

This is a "pass-through" storage system, or otherwise one which does not
persist anything to disk. It essentially treats the StoryModel as one
that is stored only in memory.

TEST=trivial class exercised in future CLs
MF-89 #comment [sessionmgr][refactor] Add NoopStoryModelStorage.

Change-Id: I1cac4be50f24bc73f0cf89a608cba2ebaccf3f47