Revert "Rename polymer and cr_elements v0_8 to v1_0"

third_party/polymer/v0_8/components/paper-toolbar/paper-toolbar.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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 <link rel="import" href="../polymer/polymer.html">
@@ skipping 355 matching lines @@
         }
 
         return classNames(classObj);
       }
 
     });
 
   }());
 
 </script>