Valgrind: Widen a Linux plugin suppression.
Valgrind: Widen a Linux plugin suppression.

BUG=69934
TEST=none
TBR=cevans
Review URL: http://codereview.chromium.org/6250112

git-svn-id: http://src.chromium.org/svn/trunk/src@73500 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 841b67509728b68befbc3a75ecc3425b9a42b2fe
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