Converted Observatory curly-block 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 d3cf333936e9b9cdb12e04f82f85b5cd197e24f0..3a4f1142fbb89c5ea1aee9f819e747190ec51e09 100644
--- a/runtime/observatory/lib/elements.dart
+++ b/runtime/observatory/lib/elements.dart
@@ -10,7 +10,6 @@ export 'package:observatory/src/elements/code_view.dart';
 export 'package:observatory/src/elements/context_ref.dart';
 export 'package:observatory/src/elements/context_view.dart';
 export 'package:observatory/src/elements/cpu_profile.dart';
-export 'package:observatory/src/elements/curly_block.dart';
 export 'package:observatory/src/elements/debugger.dart';
 export 'package:observatory/src/elements/error_view.dart';
 export 'package:observatory/src/elements/eval_box.dart';
@@ -62,9 +61,16 @@ export 'package:observatory/src/elements/vm_view.dart';
 
 import 'dart:async';
 
+import 'package:observatory/src/elements/curly_block.dart';
+import 'package:observatory/src/elements/curly_block_wrapper.dart';
+
 export 'package:observatory/src/elements/helpers/rendering_queue.dart';
 
+export 'package:observatory/src/elements/curly_block.dart';
+
 // Even though this function does not invoke any asynchronous operation
 // it is marked as async to allow future backward compatible changes.
 Future initElements() async {
+  CurlyBlockElement.tag.ensureRegistration();
+  CurlyBlockElementWrapper.tag.ensureRegistration();
 }