Valgrind: Update suppression after r68187.
Valgrind: Update suppression after r68187.

BUG=51822
TEST=Webkit Linux (valgrind layout) goes green.
TBR=evan
Review URL: http://codereview.chromium.org/5586005

git-svn-id: http://src.chromium.org/svn/trunk/src@68335 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 10758cc3b9116048d616eea22b5fbbe52dd9ed69
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