标签：
MOZ_FINAL:
http://whereswalden.com/2011/11/26/introducing-moz_final-prevent-inheriting-from-a-class-or-prevent-overriding-a-virtual-function/
MOZ_OVERRIDE:
http://whereswalden.com/2011/11/16/introducing-moz_override-to-annotate-virtual-functions-which-override-base-class-virtual-functions/
(FFOS Gecko) - MOZ_FINAL与MOZ_OVERRIDE的解释
原文地址：http://www.cnblogs.com/code-4-fun/p/4655343.html
