Add pref from http://hg.mozilla.org/mozilla-central/rev/3c2cdc5f53ae
Add pref from http://hg.mozilla.org/mozilla-central/rev/3c2cdc5f53ae

MozillaSecurity/funfuzz,nth10sd/funfuzz,MozillaSecurity/funfuzz,nth10sd/funfuzz,nth10sd/funfuzz,MozillaSecurity/funfuzz