Tadashi G. Takaoka f70bcf3d32 Refactor Key constructors
This is a followup of I76432556ca.

Change-Id: Ie2c8f7c23352a33db28e89ee8e6ebaba9eb760a3
2014-02-10 11:14:35 +09:00
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2014-01-09 14:04:34 +09:00