[webcomponents] Use FrozenArray<T> in WebIDL (#361)

See the context: https://lists.w3.org/Archives/Public/public-webapps/2015JulSep/0165.html

We might want to use FrozenArray<T> where that's preferred.

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Reply to this email directly or view it on GitHub:
https://github.com/w3c/webcomponents/issues/361

Received on Thursday, 14 January 2016 05:45:55 UTC