tree fe1771c002b9a0a197b76b7f447ad4da1cfaf368
parent 3eda9799a162765dd49f481cc303fc5702a9c5fe
author John Wang <johnwang@google.com> 1268178538 -0800
committer John Wang <johnwang@google.com> 1268344426 -0800

Make getCellLocation return null if not available.

For bug 2422284.

Check the cell location and return null if the location is not available.

Change-Id: Ie9a331b906a8253c9a9596365af8705dc03823ce