[hack] Store tito positions without file part
[hack] Store tito positions without file part

Reviewed By: zlandau

Differential Revision: D18050966

fbshipit-source-id: c3ba4764e9279cc67831df541293bb7d0971a932

nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow