refactor(ngList): access ngList attribute directly

The original way is not necessary since $compile doesn't remove
white-space anymore

Author: Narretz

src/ng/directive/ngList.js

@@ -91,9 +91,7 @@ var ngListDirective = function() {
     priority: 100,
     require: 'ngModel',
     link: function(scope, element, attr, ctrl) {
-      // We want to control whitespace trimming so we use this convoluted approach
-      // to access the ngList attribute, which doesn't pre-trim the attribute
-      var ngList = element.attr(attr.$attr.ngList) || ', ';
+      var ngList = attr.ngList || ', ';
       var trimValues = attr.ngTrim !== 'false';
       var separator = trimValues ? trim(ngList) : ngList;
 

test/ng/directive/ngListSpec.js

@@ -135,7 +135,7 @@ describe('ngList', function() {
       helper.compileInput('<textarea type="text" ng-model="list" ng-trim="false" ng-list=" "></textarea>');
       helper.changeInputValueTo('a b');
       expect($rootScope.list).toEqual(['a','b']);
-    })
+    });
   });
 });