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

third_party/polymer/v1_0/components-chromium/paper-toolbar/paper-toolbar-extracted.js

 
 
   (function() {
 
     'use strict';
 
     function classNames(obj) {
       var classNames = [];
       for (var key in obj) {
         if (obj.hasOwnProperty(key) && obj[key]) {
@@ skipping 96 matching lines @@
             }
           }
         }
         if (labelledBy.length > 0) {
           this.setAttribute('aria-labelledby', labelledBy.join(' '));
         }
       },
 
       _computeBarClassName: function(barJustify) {
         var classObj = {
-          center: true,
-          horizontal: true,
-          layout: true,
+          'center': true,
+          'horizontal': true,
+          'layout': true,
           'toolbar-tools': true
         };
 
         // If a blank string or any falsy value is given, no other class name is
         // added.
         if (barJustify) {
           var justifyClassName = (barJustify === 'justified') ?
               barJustify :
               barJustify + '-justified';
 
           classObj[justifyClassName] = true;
         }
 
         return classNames(classObj);
       }
 
     });
 
   }());