Converted Observatory refs elements

runtime/observatory/tests/observatory_ui/icdata_ref/element_test.dart

Index: runtime/observatory/tests/observatory_ui/icdata_ref/element_test.dart
diff --git a/runtime/observatory/tests/observatory_ui/class_ref/element_test.dart b/runtime/observatory/tests/observatory_ui/icdata_ref/element_test.dart
similarity index 67%
copy from runtime/observatory/tests/observatory_ui/class_ref/element_test.dart
copy to runtime/observatory/tests/observatory_ui/icdata_ref/element_test.dart
index 41aeb10f3d6ae1904271442cb5ec399cdc196e0f..3895635e50a1b238d4942fd297f5d2ad965a6eb4 100644
--- a/runtime/observatory/tests/observatory_ui/class_ref/element_test.dart
+++ b/runtime/observatory/tests/observatory_ui/icdata_ref/element_test.dart
@@ -4,22 +4,23 @@
 
 import 'dart:html';
 import 'package:unittest/unittest.dart';
-import 'package:observatory/src/elements/class_ref.dart';
+import 'package:observatory/src/elements/instance_ref.dart';
 import '../mocks.dart';
 
 main() {
-  ClassRefElement.tag.ensureRegistration();
+  InstanceRefElement.tag.ensureRegistration();
 
   const isolate = const IsolateRefMock();
-  const cls = const ClassRefMock();
+  const instance = const InstanceRefMock();
+  final repository = new InstanceRepositoryMock();
   test('instantiation', () {
-    final e = new ClassRefElement(isolate, cls);
+    final e = new InstanceRefElement(isolate, instance, repository);
     expect(e, isNotNull, reason: 'element correctly created');
     expect(e.isolate, equals(isolate));
-    expect(e.cls, equals(cls));
+    expect(e.instance, equals(instance));
   });
   test('elements created after attachment', () async {
-    final e = new ClassRefElement(isolate, cls);
+    final e = new InstanceRefElement(isolate, instance, repository);
     document.body.append(e);
     await e.onRendered.first;
     expect(e.children.length, isNonZero, reason: 'has elements');