ref: eccae1de1901ca3f3a4f5fcf4225c785ac6006cd
parent: cf83983b9a7790d22f0a0dbf82f01cd3e0574460
author: Dmitry Kovalev <dkovalev@google.com>
date: Thu May 29 11:03:02 EDT 2014
Removing unused ref_frame_mask local var. Change-Id: Ie11558c076a0161cc9608788e050b1b16e31c490