ref: 997db6fc3f67aa499574e362b37adf4b07534ff7
parent: 90d21bb28e2def7f43d5e59305c08b684a14b594
parent: eca93642e28102e5e30d6499f9661b89e8fdc27b
author: Pengchong Jin <pengchong@google.com>
date: Fri Aug 15 15:51:04 EDT 2014
Merge "Add a speed feature to give the tighter search range"