Boris Zbarsky 17e46d2f65 Bug 1145017. Use the new proto setup for custom element prototypes when possible. r=wchen,bholley
Note that with this patch I'm also changing the priority order of the given
proto and the custom proto; the former takes priority.  This makes sense to me:
if the caller is doing |new Foo| they really should get something with
Foo.prototype as its proto.  This should not be a problem for custom elements
in general so far, because nodes/elements are mostly not constructible anyway.
For now.  When they become that way, I think this is the behavior we'll want.
2015-03-20 00:34:08 -04:00

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