Rename polymer and cr_elements v0_8 to v1_0

third_party/polymer/v1_0/components/paper-checkbox/paper-checkbox.html

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@@ skipping 141 matching lines @@
 
       _computeCheckmarkClass: function(checked) {
         if (!checked) {
           return 'hidden';
         }
       }
     })
   </script>
 
 </dom-module>