tree bbe70dcc90d6486fc4ea150f2efd0d8adaf27c02
parent 7466281042d104f5b87e2aeece827542fe46d31b
author Laura Peskin <pesk@google.com> 1556761522 +0000
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1556761522 +0000

[userpicker_base_shell] Remove uses of Cobalt 0.1 sysui metrics

These metrics are being deleted.

Also makes the logger argument optional in the
CommonBaseShellModel constructor. If no logger is passed,
the class does not log to Cobalt.

TEST=fx set workstation.chromebook-x64, fx build, login as guest

Change-Id: I0ac3b9b41982966fb5baa298f4a2d772db361df3