Wrapping leaf nodes in non polymer elements

runtime/observatory/lib/src/elements/persistent_handles.dart

Index: runtime/observatory/lib/src/elements/persistent_handles.dart
diff --git a/runtime/observatory/lib/src/elements/persistent_handles.dart b/runtime/observatory/lib/src/elements/persistent_handles.dart
index f6ccfaf433baedd8f1f0d31dd3d2b180b2700c09..878a77e7dfa3408b1ae8810348d6c80f28db15da 100644
--- a/runtime/observatory/lib/src/elements/persistent_handles.dart
+++ b/runtime/observatory/lib/src/elements/persistent_handles.dart
@@ -100,7 +100,7 @@ class WeakPersistentHandlesSortedTable extends SortedTable {
 
     // Add class ref.
     cell = tr.insertCell(-1);
-    AnyServiceRefElement objectRef = new Element.tag('any-service-ref');
+    AnyServiceRefElementWrapper objectRef = new Element.tag('any-service-ref');
     cell.children.add(objectRef);
 
     // Add row to table.
@@ -119,7 +119,7 @@ class WeakPersistentHandlesSortedTable extends SortedTable {
     }
 
     final int objectIndex = row.values.length - 1;
-    AnyServiceRefElement objectRef = tr.children[objectIndex].children[0];
+    AnyServiceRefElementWrapper objectRef = tr.children[objectIndex].children[0];
     objectRef.ref = row.values[objectIndex];
   }
 }