Add Valgrind suppressions for CreateFullscreenWidget.
Add Valgrind suppressions for CreateFullscreenWidget.

BUG=52900
TEST=Valgrind Linux gets greener.
Review URL: http://codereview.chromium.org/3192009

git-svn-id: http://src.chromium.org/svn/trunk/src@57258 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 5d8a3e67c55489feac6f96fa799cef0818e45358
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