ref: 7368dd4f8fccdd4edb3eda4791e9609d2525b473
parent: 59129afc05f67aebcb875e67dc9de0e357c1d36d
parent: d4700731ca4779678cef1b44374b88934e06b947
author: Yaowu Xu <yaowu@google.com>
date: Tue Jun 7 12:36:37 EDT 2011
Merge "remove redundant functions"