Converted Observatory error-ref element

runtime/observatory/lib/elements.dart

Index: runtime/observatory/lib/elements.dart
diff --git a/runtime/observatory/lib/elements.dart b/runtime/observatory/lib/elements.dart
index 18d7877e9b622674d08eba43230210dae7e0680f..2e516043e20c0774532be94c1125e0ed4089cebb 100644
--- a/runtime/observatory/lib/elements.dart
+++ b/runtime/observatory/lib/elements.dart
@@ -59,13 +59,15 @@ import 'package:observatory/src/elements/containers/virtual_collection.dart';
 import 'package:observatory/src/elements/containers/virtual_tree.dart';
 import 'package:observatory/src/elements/curly_block.dart';
 import 'package:observatory/src/elements/curly_block_wrapper.dart';
+import 'package:observatory/src/elements/error_ref.dart';
+import 'package:observatory/src/elements/error_ref_wrapper.dart';
+import 'package:observatory/src/elements/function_ref.dart';
+import 'package:observatory/src/elements/function_ref_wrapper.dart';
 import 'package:observatory/src/elements/isolate_ref.dart';
 import 'package:observatory/src/elements/isolate_ref_wrapper.dart';
 import 'package:observatory/src/elements/nav/bar.dart';
 import 'package:observatory/src/elements/nav/class_menu.dart';
 import 'package:observatory/src/elements/nav/class_menu_wrapper.dart';
-import 'package:observatory/src/elements/function_ref.dart';
-import 'package:observatory/src/elements/function_ref_wrapper.dart';
 import 'package:observatory/src/elements/nav/isolate_menu.dart';
 import 'package:observatory/src/elements/nav/isolate_menu_wrapper.dart';
 import 'package:observatory/src/elements/nav/library_menu.dart';
@@ -98,10 +100,11 @@ export 'package:observatory/src/elements/code_ref.dart';
 export 'package:observatory/src/elements/containers/virtual_collection.dart';
 export 'package:observatory/src/elements/containers/virtual_tree.dart';
 export 'package:observatory/src/elements/curly_block.dart';
+export 'package:observatory/src/elements/error_ref.dart';
+export 'package:observatory/src/elements/function_ref.dart';
 export 'package:observatory/src/elements/isolate_ref.dart';
 export 'package:observatory/src/elements/nav/bar.dart';
 export 'package:observatory/src/elements/nav/class_menu.dart';
-export 'package:observatory/src/elements/function_ref.dart';
 export 'package:observatory/src/elements/nav/isolate_menu.dart';
 export 'package:observatory/src/elements/nav/library_menu.dart';
 export 'package:observatory/src/elements/nav/menu.dart';
@@ -125,6 +128,8 @@ Future initElements() async {
   CodeRefElementWrapper.tag.ensureRegistration();
   CurlyBlockElement.tag.ensureRegistration();
   CurlyBlockElementWrapper.tag.ensureRegistration();
+  ErrorRefElement.tag.ensureRegistration();
+  ErrorRefElementWrapper.tag.ensureRegistration();
   FunctionRefElement.tag.ensureRegistration();
   FunctionRefElementWrapper.tag.ensureRegistration();
   IsolateRefElement.tag.ensureRegistration();