tree 40c58f2dd421a5fd9263d2f006fa7a2dd3623633
parent 6b4eebc73439cbc3ddfb547444a341d1f9be7996
author Wei Hua <whua@google.com> 1333145712 -0700
committer Wei Hua <whua@google.com> 1333145712 -0700

Session management.

Automatic saving.
Retrieving.

Change-Id: I3f4fa8eadea782bb73edaff690659cfa52b7077d