add closure type to keyEventTarget

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notwaldorf commented 8 years ago

/cc @danbeam @valdrinkoshi (i'm not reviewing this, i'm just herding cats to look at it)

valdrinkoshi commented 8 years ago

It is being done by PR #47 (keyEventTarget can be null). @danbeam I'll close this one.

PolymerElements / iron-a11y-keys-behavior

add closure type to keyEventTarget #45