Suppress one more data race in test_shell on WeakReference BUG=24715 TBR=dank Review URL: http://codereview.chromium.org/339022
Suppress one more data race in test_shell on WeakReference
BUG=24715
TBR=dank
Review URL: http://codereview.chromium.org/339022

git-svn-id: http://src.chromium.org/svn/trunk/src@30182 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 75a1e59e2a90a583414436b0de10418c9e035c1b
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser