Another valgrind suppression.
Another valgrind suppression.

BUG=70782
TBR=ahendrickson

git-svn-id: http://src.chromium.org/svn/trunk/src@72516 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 3aab7a14e1369e4e9dff60b203dd1d537e37ae9f
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