Revert revision 33053

third_party/pkg/angular/lib/directive/ng_show_hide.dart

 part of angular.directive;
 
 /**
  * The ngHide directive shows or hides the given HTML element based on the
  * expression provided to the ngHide attribute. The element is shown or hidden
  * by changing the removing or adding the ng-hide CSS class onto the element.
  */
 @NgDirective(
     selector: '[ng-hide]',
-    map: const {'ng-hide': '=>hide'})
+    map: const {'ng-hide': '=>hide'} )
 class NgHideDirective {
   static String NG_HIDE_CLASS = 'ng-hide';
 
-  final dom.Element element;
+  dom.Element element;
 
   NgHideDirective(this.element);
 
   set hide(value) {
     if (toBool(value)) {
       element.classes.add(NG_HIDE_CLASS);
     } else {
       element.classes.remove(NG_HIDE_CLASS);
     }
   }
 }
 
 /**
  * The ngShow directive shows or hides the given HTML element based on the
  * expression provided to the ngHide attribute. The element is shown or hidden
  * by changing the removing or adding the ng-hide CSS class onto the element.
  */
 @NgDirective(
     selector: '[ng-show]',
     map: const {'ng-show': '=>show'})
 class NgShowDirective {
-  final dom.Element element;
+  static String NG_SHOW_CLASS = 'ng-show';
+
+  dom.Element element;
 
   NgShowDirective(this.element);
 
   set show(value) {
     if (toBool(value)) {
-      element.classes.remove(NgHideDirective.NG_HIDE_CLASS);
+      element.classes.add(NG_SHOW_CLASS);
     } else {
-      element.classes.add(NgHideDirective.NG_HIDE_CLASS);
+      element.classes.remove(NG_SHOW_CLASS);
     }
   }
 }