[Polymer] update polymer

third_party/polymer/v1_0/components-chromium/iron-collapse/iron-collapse-extracted.js

 Polymer({
 
     is: 'iron-collapse',
 
     behaviors: [
       Polymer.IronResizableBehavior
     ],
 
     properties: {
 
@@ skipping 182 matching lines @@
       for (var prop in rect) {
         if (rect[prop] !== 0) return true;
       }
       return false;
     },
 
     _calcSize: function() {
       return this.getBoundingClientRect()[this.dimension] + 'px';
     }
 
-  });
+  });