[Bug 20397] [Custom]: Consider changing elementupgrade to a mutation observer

https://www.w3.org/Bugs/Public/show_bug.cgi?id=20397

--- Comment #3 from Dimitri Glazkov <dglazkov@chromium.org> ---
The biggest issue here is that upgrading a tree full of custom elements would
be incredibly chatty and slow. Elliot pointed out that this event sounds a lot
like a mutation event.

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Received on Friday, 14 December 2012 23:13:09 UTC