Kris Maglione bd6d63772a Bug 1407428: Hand out a const array reference for expanded principal whiteList. r=krizsa
The current API makes the life time and ownership of the result array unclear
without careful reading. The result array is always owned by the principal,
and its lifetime tied to the lifetime of the principal itself. Returning a
const array reference makes this clear, and should prevent callers from
accidentally modifying the returned array.

MozReview-Commit-ID: 3f8mhynkKAj

--HG--
extra : source : 237acf2879f6222bc4b076c377bf026d18a6ebef
extra : amend_source : dfaf6e88e3c4758f7fdcf7fb422d457edafab1b7
2017-10-10 15:00:16 -07:00
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