Wrapping leaf nodes in non polymer elements

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 9ee5cf21e3a6c7df91760dcc12e43ca57aed0ff8..2d3a4b1b19b616037bb00a82239e5ffb37b3d589 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';
@@ -30,7 +29,6 @@ export 'package:observatory/src/elements/instance_view.dart';
 export 'package:observatory/src/elements/instructions_view.dart';
 export 'package:observatory/src/elements/io_view.dart';
 export 'package:observatory/src/elements/isolate_reconnect.dart';
-export 'package:observatory/src/elements/isolate_ref.dart';
 export 'package:observatory/src/elements/isolate_summary.dart';
 export 'package:observatory/src/elements/isolate_view.dart';
 export 'package:observatory/src/elements/json_view.dart';
@@ -55,7 +53,35 @@ export 'package:observatory/src/elements/service_ref.dart';
 export 'package:observatory/src/elements/service_view.dart';
 export 'package:observatory/src/elements/sliding_checkbox.dart';
 export 'package:observatory/src/elements/timeline_page.dart';
-export 'package:observatory/src/elements/view_footer.dart';
 export 'package:observatory/src/elements/vm_connect.dart';
 export 'package:observatory/src/elements/vm_ref.dart';
 export 'package:observatory/src/elements/vm_view.dart';
+
+import 'dart:async';
+
+import 'package:observatory/src/elements/curly_block.dart';
+export 'package:observatory/src/elements/curly_block.dart';
+import 'package:observatory/src/elements/curly_block_wrapper.dart';
+export 'package:observatory/src/elements/curly_block_wrapper.dart';
+import 'package:observatory/src/elements/isolate_ref.dart';
+export 'package:observatory/src/elements/isolate_ref.dart';
+import 'package:observatory/src/elements/isolate_ref_wrapper.dart';
+export 'package:observatory/src/elements/isolate_ref_wrapper.dart';
+import 'package:observatory/src/elements/view_footer.dart';
+export 'package:observatory/src/elements/view_footer.dart';
+// There is no view_footer_wrapper.dart because no binding it needed.
+import 'package:observatory/src/elements/vm_connect_target.dart';
+export 'package:observatory/src/elements/vm_connect_target.dart';
+import 'package:observatory/src/elements/vm_connect_target_wrapper.dart';
+export 'package:observatory/src/elements/vm_connect_target_wrapper.dart';
+
+Future initElements() async {
+  CurlyBlockElement.tag.ensureRegistration();
+  CurlyBlockElementWrapper.tag.ensureRegistration();
+  IsolateRefElement.tag.ensureRegistration();
+  IsolateRefElementWrapper.tag.ensureRegistration();
+  ViewFooterElement.tag.ensureRegistration();
+  // There is no ViewFooterElementWrapper because no binding it needed.
+  VmConnectTargetElement.tag.ensureRegistration();
+  VmConnectTargetElementWrapper.tag.ensureRegistration();
+}