Roll Polymer

third_party/polymer/v1_0/components-chromium/paper-header-panel/paper-header-panel-extracted.js

 (function() {
       'use strict';
 
       var SHADOW_WHEN_SCROLLING = 1;
       var SHADOW_ALWAYS = 2;
       var MODE_CONFIGS = {
         outerScroll: {
           'scroll': true
         },
 
@@ skipping 188 matching lines @@
 
           if (header) {
             // in tallMode it may add tallClass to the header; so do the cleanup
             // when mode is changed from tallMode to not tallMode
             if (configs.tallMode[oldMode] && !configs.tallMode[newMode]) {
               header.classList.remove(this.tallClass);
               this.async(function() {
                 header.classList.remove('animate');
               }, animateDuration);
             } else {
-              header.classList.toggle('animate', configs.tallMode[newMode]);
+              this.toggleClass('animate', configs.tallMode[newMode], header);
             }
           }
           this._keepScrollingState();
         },
 
         _keepScrollingState: function() {
           var main = this.scroller;
           var header = this.header;
 
           this._setAtTop(main.scrollTop === 0);
 
           if (header && this.tallClass && MODE_CONFIGS.tallMode[this.mode]) {
             this.toggleClass(this.tallClass, this.atTop ||
                 header.classList.contains(this.tallClass) &&
                 main.scrollHeight < this.offsetHeight, header);
           }
         },
 
         _scroll: function() {
           this._keepScrollingState();
           this.fire('content-scroll', {target: this.scroller}, {bubbles: false});
         },
 
         _getScrollerForMode: function(mode) {
           return MODE_CONFIGS.outerScroll[mode] ?
               this : this.$.mainContainer;
         }
       });
     })();