ref: 88e48444da68155f39957b2b4984ad543d4584c3
parent: 525745b17ab832000c36b9823f6874ef657c187d
parent: a15d1f3134ad5747156b7464af538f6ea6ffa2e7
author: Yaowu Xu <yaowu@google.com>
date: Tue Jul 30 05:38:02 EDT 2013
Merge "removed duplication"