Revert "Rename polymer and cr_elements v0_8 to v1_0"

third_party/polymer/v0_8/components/paper-toast/paper-toast.html

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 This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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@@ skipping 144 matching lines @@
 
     _visibleChanged: function(visible) {
       this.toggleClass('paper-toast-open', visible);
     }
   });
 
   PaperToast.currentToast = null;
 
 })();
 </script>