res/imp/version-sk.html

<polymer-element name="version-sk" attributes="commit shortCommit date">
  <template>
    <style>
    :host {
      font-size: 0.7em;
    }
    </style>
    Ver: <a href="https://skia.googlesource.com/buildbot/+/{{commit}}" title="{{date}}">{{shortCommit}}</a>
  </template>
  <script>
    Polymer({
      ready: function() {
        this.commit = "???";
        this.shortCommit = "???";
        this.date = "???";
        var that = this;
        sk.get("/json/version").then(JSON.parse).then(function(json) {
          that.commit = json.commit;
          that.shortCommit = json.commit.substring(0, 12);
          that.date = json.date;
        });
      },
    });
  </script>
</polymer-element>