[Polymer] update third_party polymer

third_party/polymer/v1_0/components-chromium/neon-animation/neon-animation-behavior-extracted.js

 /**
    * Use `Polymer.NeonAnimationBehavior` to implement an animation.
    * @polymerBehavior
    */
   Polymer.NeonAnimationBehavior = {
 
     properties: {
 
       /**
        * Defines the animation timing.
        */
       animationTiming: {
         type: Object,
         value: function() {
           return {
             duration: 500,
             easing: 'cubic-bezier(0.4, 0, 0.2, 1)',
             fill: 'both'
           }
         }
       }
 
     },
 
-    registered: function() {
-      new Polymer.IronMeta({type: 'animation', key: this.is, value: this.constructor});
-    },
+    /**
+     * Can be used to determine that elements implement this behavior.
+     */
+    isNeonAnimation: true,
 
     /**
      * Do any animation configuration here.
      */
     // configure: function(config) {
     // },
 
     /**
      * Returns the animation timing by mixing in properties from `config` to the defaults defined
      * by the animation.
@@ skipping 21 matching lines @@
       }
       node.style[property] = value;
     },
 
     /**
      * Called when the animation finishes.
      */
     complete: function() {}
 
   };