Update bower.json for Polymer elements and add PRESUBMIT.py

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

 
 (function() {
 
   Polymer({
 
     is: 'neon-animated-pages',
 
     behaviors: [
       Polymer.IronResizableBehavior,
       Polymer.IronSelectableBehavior,
@@ skipping 19 matching lines @@
       '_selectedChanged(selected)'
     ],
 
     listeners: {
       'neon-animation-finish': '_onNeonAnimationFinish'
     },
 
     _selectedChanged: function(selected) {
 
       var selectedPage = this.selectedItem;
-      var oldPage = this._prevSelected || false;
-      this._prevSelected = selectedPage;
+      var oldPage = this._valueToItem(this._prevSelected) || false;
+      this._prevSelected = selected;
 
       // on initial load and if animateInitialSelection is negated, simply display selectedPage.
       if (!oldPage && !this.animateInitialSelection) {
         this._completeSelectedChanged();
         return;
       }
 
       // insert safari fix.
       this.animationConfig = [{
         name: 'opaque-animation',
@@ skipping 46 matching lines @@
 
       // display the selectedPage during the transition.
       selectedPage.classList.add('neon-animating');
 
       // actually run the animations.
       if (this.animationConfig.length > 1) {
 
         // on first load, ensure we run animations only after element is attached.
         if (!this.isAttached) {
           this.async(function () {
-            this.playAnimation(null, {
+            this.playAnimation(undefined, {
               fromPage: null,
               toPage: selectedPage
             });
           });
 
         } else {
-          this.playAnimation(null, {
+          this.playAnimation(undefined, {
             fromPage: oldPage,
             toPage: selectedPage
           });
         }
 
       } else {
         this._completeSelectedChanged(oldPage, selectedPage);
       }
     },
 
+    /**
+     * @param {Object=} oldPage
+     * @param {Object=} selectedPage
+     */
     _completeSelectedChanged: function(oldPage, selectedPage) {
       if (selectedPage) {
         selectedPage.classList.remove('neon-animating');
       }
       if (oldPage) {
         oldPage.classList.remove('neon-animating');
       }
       if (!selectedPage || !oldPage) {
         var nodes = Polymer.dom(this.$.content).getDistributedNodes();
         for (var node, index = 0; node = nodes[index]; index++) {
           node.classList && node.classList.remove('neon-animating');
         }
       }
-      this.async(this.notifyResize);
+      this.async(this._notifyPageResize);
     },
 
     _onNeonAnimationFinish: function(event) {
       if (this._squelchNextFinishEvent) {
         this._squelchNextFinishEvent = false;
         return;
       }
       this._completeSelectedChanged(event.detail.fromPage, event.detail.toPage);
+    },
+
+    _notifyPageResize: function() {
+      var selectedPage = this.selectedItem;
+      this.resizerShouldNotify = function(element) {
+        return element == selectedPage;
+      }
+      this.notifyResize();
     }
 
   })
 
 })();