Ting-Yu Lin 549ac3b8f4 Bug 1204872 - Prettify enum class printing. r=roc
Provide operator<< functions so that gtest can use them to print enum
classes.

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extra : commitid : JYu6ffen2Zr
extra : rebase_source : 6628de44b343a0c625fd4526d36dba34ad0cb5cc
2015-09-19 01:05:19 +08:00
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