Centralized event streams

runtime/observatory/lib/src/elements/nav/menu_item_wrapper.dart

Index: runtime/observatory/lib/src/elements/nav/menu_item_wrapper.dart
diff --git a/runtime/observatory/lib/src/elements/nav/menu_item_wrapper.dart b/runtime/observatory/lib/src/elements/nav/menu_item_wrapper.dart
index 78887453df6c13898585f9340d4090553b3af1a5..e00699c7cb8ca726d0f3ccbe035a3ba23343ec92 100644
--- a/runtime/observatory/lib/src/elements/nav/menu_item_wrapper.dart
+++ b/runtime/observatory/lib/src/elements/nav/menu_item_wrapper.dart
@@ -20,13 +20,17 @@ class NavMenuItemElementWrapper extends HtmlElement {
 
   String _anchor;
   String _link;
+
   String get anchor => _anchor;
   String get link => _link;
+  
   set anchor(String value) {
-    _anchor = value; render();
+    _anchor = value;
+    render();
   }
   set link(String value) {
-    _link = value; render();
+    _link = value;
+    render();
   }
 
   NavMenuItemElementWrapper.created() : super.created() {
@@ -45,7 +49,9 @@ class NavMenuItemElementWrapper extends HtmlElement {
 
   void render() {
     shadowRoot.children = [];
-    if (_anchor == null) return;
+    if (_anchor == null) {
+      return;
+    }
 
     shadowRoot.children = [
       new NavMenuItemElement(_anchor, link: '#$link',