chrome/browser/resources/net_internals/timeline_view.html

<div id=timeline-view-selection-div>
  <div style="text-align: right">
    <button id=timeline-view-selection-toggle
            title="Toggle visibility of selection view"
            class=timeline-view-rotateleft></button>
  </div>
<ul id=timeline-view-selection-ul>
  <li id=timeline-view-open-sockets><label><input type=checkbox checked>
    &#9608; <span class=timeline-view-text>Open sockets</span></label>
  </li>
  <li id=timeline-view-in-use-sockets><label><input type=checkbox checked>
    &#9608; <span class=timeline-view-text>In use sockets</span></label>
  </li>
  <li id=timeline-view-url-requests><label><input type=checkbox checked>
    &#9608; <span class=timeline-view-text>URL requests</span></label>
  </li>
  <li id=timeline-view-dns-jobs><label><input type=checkbox checked>
    &#9608; <span class=timeline-view-text>DNS jobs</span></label>
  </li>
  <li id=timeline-view-bytes-received><label><input type=checkbox checked>
    &#9608; <span class=timeline-view-text>Bytes received</span></label>
  </li>
  <li id=timeline-view-bytes-sent><label><input type=checkbox checked>
    &#9608; <span class=timeline-view-text>Bytes sent</span></label>
  </li>
  <li id=timeline-view-disk-cache-bytes-read><label><input type=checkbox checked>
    &#9608; <span class=timeline-view-text>Disk cache bytes read</span></label>
  </li>
  <li id=timeline-view-disk-cache-bytes-written><label><input type=checkbox>
    &#9608; <span class=timeline-view-text>Disk cache bytes written</span></label>
  </li>
</ul>
</div>
<div id=timeline-view-graph-div>
  <canvas id=timeline-view-graph-canvas>
  </canvas>
</div>
<div id=timeline-view-scrollbar-div>
  <div id=timeline-view-scrollbar-inner-div>
  </div>
</div>