Bug 853571 - Add some belt-and-suspenders checks for sketchy scripted caller detection. r=bz
Bug 853571 - Do special detection for sandboxPrototype to make sure the source gets set up right in postMessage. r=bz
Bug 853571 - Tests. r=bz
Bug 854019 - Continue checking the XBL bit if remote XUL disables XBL scopes. r=bz