chromium/chrome/browser/resources/ash/settings/guest_os/guest_os_container_select.html

<style include="settings-shared md-select"></style>
<label class="cr-form-field-label">Container</label>
<select id="selectContainer"
    class="md-select"
    value="containerLabel_(containerId)"
    on-change="onSelectContainer_">
    <template is="dom-repeat" items="[[containers]]">
      <option value="[[item.id]]">
        [[containerLabel_(item.id)]]
      </option>
    </template>
</select>