PairDrop/app/elements/file-sharing/file-input-behavior.html

<link rel="import" href="file-drop-behavior.html">
<link rel="import" href="file-button-behavior.html">
<script>
    'use strict';
    Snapdrop.FileInputBehavior = [Snapdrop.FileDropBehavior,Snapdrop.FileButtonBehavior];
</script>