mccr8 wisely points out in bug 783925 comment 4 that we should leave the __exposedProps__ warning string in dom.properties, so that we have the option to revert the change in bug 553102 on beta without causing l10n pain. Patching coming right up.
Created attachment 653419 [details] [diff] [review] Add __exposedProps__ warning back into dom.properties. v1 Attaching a patch. Flagging mccr8 for review.