Widen a valgrind suppression slightly
Widen a valgrind suppression slightly

TBR=dank

BUG=22559
TEST=Linux valgrind bots

Review URL: http://codereview.chromium.org/207049

git-svn-id: http://src.chromium.org/svn/trunk/src@26766 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 364d002c231fba1f0d3c5765f43be8cfd57481e4
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