tree 57a48f5f25daaa989981bfdc06af499b12844b6e
parent a84395489098e4531619b1cffd1afc282b14510e
author Sameer Abu Asal <sasal@google.com> 1361316635 -0800
committer Sameer Abu Asal <sasal@google.com> 1361316716 -0800

Add missing headers file.

Add missing includes for barrier.h on top of mark_sweep.h
moved from mark_sweep.cc

Change-Id: I0a61faa907fb996ed88b2164b8a31ca739cc2ab0