        <label class="tab-icon-sound-label tab-icon-sound-pip-label" data-l10n-id="browser-tab-audio-pip" role="presentation"/>
              <label class="tab-icon-sound-label tab-icon-sound-tooltip-label" role="presentation"/>
            </hbox>
          </vbox>
          <image class="tab-close-button close-icon" role="button" data-l10n-id="tabbrowser-close-tabs-button" data-l10n-args='{"tabCount": 1}' keyNav="false"/>
        </hbox>
      </stack>
      