Function removeClasses

test/angular/1.3/angular.js:20848–20851

(classes)

        }

        function removeClasses(classes) {
          var newClasses = digestClassCounts(classes, -1);
          attr.$removeClass(newClasses);
        }

        function digestClassCounts(classes, count) {
          var classCounts = element.data('$classCounts') || {};