Upgrade to 1.0 and switch clients to dom-repeat where needed.

third_party/polymer/v0_8/components-chromium/neon-animation/animations/cascaded-animation-extracted.js

+
+
+  Polymer({
+
+    is: 'cascaded-animation',
+
+    behaviors: [
+      Polymer.NeonAnimationBehavior
+    ],
+
+    properties: {
+
+      _animationMeta: {
+        type: Object,
+        value: function() {
+          return new Polymer.IronMeta({type: 'animation'});
+        }
+      }
+
+    },
+
+    configure: function(config) {
+      var animationConstructor = this._animationMeta.byKey(config.animation);
+      if (!animationConstructor) {
+        console.warn(this.is + ':', 'constructor for', config.animation, 'not found!');
+        return;
+      }
+
+      var nodes = config.nodes;
+      var effects = [];
+      var nodeDelay = config.nodeDelay || 50;
+
+      config.timing = config.timing || {};
+      config.timing.delay = config.timing.delay || 0;
+
+      var oldDelay = config.timing.delay;
+      for (var node, index = 0; node = nodes[index]; index++) {
+        config.timing.delay += nodeDelay;
+        config.node = node;
+
+        var animation = new animationConstructor();
+        var effect = animation.configure(config);
+
+        effects.push(effect);
+      }
+      config.timing.delay = oldDelay;
+
+      this._effect = new GroupEffect(effects);
+      return this._effect;
+    }
+
+  });
+