Suppress a test failing after the last WebKit merge.
Suppress a test failing after the last WebKit merge.

BUG=none
TEST=green webkit dbg(2) bots
TBR=yutak,mpcomplete


Review URL: http://codereview.chromium.org/3176015

git-svn-id: http://src.chromium.org/svn/trunk/src@56248 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 803e17adcc32f327d6f7f2e4c8522a7b413f0f13
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