Suppress a data race in sync (TSan/unit) BUG=72913 TEST=TSan/unit goes green TBR=oshima Review URL: http://codereview.chromium.org/6515008
Suppress a data race in sync (TSan/unit)
BUG=72913
TEST=TSan/unit goes green
TBR=oshima
Review URL: http://codereview.chromium.org/6515008

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@74797 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser