tree 03e04b86443943ad55acb93fe5f42125d1d6c85d
parent 6cdf1cc5696867ab8921fba7444e7b8049bb4377
author Yuxuan 'fishy' Wang <fishywang@google.com> 1471559028 -0700
committer Yuxuan 'fishy' Wang <fishywang@google.com> 1471576857 -0700

Gracefully handle OrmException caused by NoSuchChangeException

In ChangeData#changeControl, we might throw OrmException because the
change no longer exists. For some callers of changeControl this can be
safely ignored, instead of throwing a 500 error.

Change-Id: I7b83252332603fab653f8cfe93998e41513ec690