snapdrop/app/elements/file-sharing/file-button.html

<link rel="import" href="../../bower_components/paper-icon-button/paper-icon-button.html">
<link rel="import" href="file-button-behavior.html">
<dom-module id="file-button">
    <template>
        <paper-icon-button id="btn" icon="chat:attach-file" on-tap="_upload"></paper-icon-button>
    </template>
    <script>
    'use strict';
    Polymer({
        is: 'file-button',
        behaviors: [Chat.FileButtonBehavior]
    });
    </script>
</dom-module>