ref: 45658120321d7bdb61d71384464b4bb4886641f7
parent: 93d9c5041934119da50cdde0db4a6c73909570c8
parent: 25206e7b7fd9e342ed2af0aeb404ec0aecc3040c
author: Jingning Han <jingning@google.com>
date: Thu Apr 9 10:45:11 EDT 2015
Merge "Compute prediction filter type cost only when needed"