def link_tag(protocol, base_url, view)
      view.tag :link, :rel => 'alternate', :href => href(protocol, base_url), :id => id, :media => media_query
    end
def link_tag(protocol, base_url, view)
      view.tag :link, :rel => 'alternate', :href => href(protocol, base_url), :id => id, :media => media_query
    end
Create a tag of this format:
  `<link rel="alternate" href="http://foo.com" id="desktop" media="only screen and (touch-enabled: 0)">`