tree 08567bdda78da5d2f7161af7f93dd6842189a939
parent c4f6fd7b456e672f6ca0de08752e59d8568e6f6a
author Yingdi Yu <yuyingdi@gmail.com> 1393453589 -0800
committer Yingdi Yu <yuyingdi@gmail.com> 1393461093 -0800

util: Add helper method to load/save object from/to file.

Change-Id: I7417bbf85865e15c02e5dec170265bcdd3f2bae4