Further widen JsonPrefStore::SerializeData suppression.
Further widen JsonPrefStore::SerializeData suppression.

BUG=75634
TEST=waterfall.sh match
TBR=bauerb@chromium.org

Review URL: http://codereview.chromium.org/6759008

git-svn-id: http://src.chromium.org/svn/trunk/src@79577 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: dfd4587d28ff9366fc2addaa471604005d86fb99
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