ref: eaeda536a40da1ed7737f96bdc8e9a7d926cecdf
parent: 893433be312ef108d9587d78cd7583afb781f1f4
author: Dmitry Kovalev <dkovalev@google.com>
date: Tue Jun 3 10:07:47 EDT 2014
Removing unused ssim_weighted_pred_err field from FIRSTPASS_STATS. Change-Id: Ia8c7e3905ac21732cb6b8099eaf8df72c7e36b73