public function addIcon($href)
    {
        // Build the normal icon
        $icon = $this->getHTMLFactory()->buildLink('icon', $href);
        $this->appendToHead($icon);

        // Build the shortcut icon
        $shortIcon = $this->getHTMLFactory()->buildLink('shortcut icon', $href);
        $this->appendToHead($shortIcon);

        return $this;
    }