tree a72e51fc546228b6084812ed1b19b351c78d1105
parent 597696560fddf95e19b9447e46a0b16db96722cd
author Alan Zhang <alanjz@google.com> 1469644093 -0400
committer Alan Zhang <alanjz@google.com> 1469714169 -0400

Fixed crashes from empty cache_warming_hosts.

Change-Id: I6ffac8fa9350c6cb22beeaa8fe9993be8ad44ce3