Converted Observatory heap-map 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 087cb812af2002b0316835c8d72ff4a559f82837..d6f2bc312253c7d16d700deb5004969d6db0b0fc 100644
--- a/runtime/observatory/lib/elements.dart
+++ b/runtime/observatory/lib/elements.dart
@@ -10,7 +10,6 @@ export 'package:observatory/src/elements/error_view.dart';
 export 'package:observatory/src/elements/eval_link.dart';
 export 'package:observatory/src/elements/field_view.dart';
 export 'package:observatory/src/elements/function_view.dart';
-export 'package:observatory/src/elements/heap_map.dart';
 export 'package:observatory/src/elements/instance_view.dart';
 export 'package:observatory/src/elements/isolate_reconnect.dart';
 export 'package:observatory/src/elements/isolate_summary.dart';
@@ -60,6 +59,7 @@ import 'package:observatory/src/elements/flag_list.dart';
 import 'package:observatory/src/elements/function_ref.dart';
 import 'package:observatory/src/elements/function_ref_wrapper.dart';
 import 'package:observatory/src/elements/general_error.dart';
+import 'package:observatory/src/elements/heap_map.dart';
 import 'package:observatory/src/elements/heap_snapshot.dart';
 import 'package:observatory/src/elements/icdata_ref.dart';
 import 'package:observatory/src/elements/icdata_view.dart';
@@ -140,6 +140,7 @@ export 'package:observatory/src/elements/field_ref.dart';
 export 'package:observatory/src/elements/flag_list.dart';
 export 'package:observatory/src/elements/function_ref.dart';
 export 'package:observatory/src/elements/general_error.dart';
+export 'package:observatory/src/elements/heap_map.dart';
 export 'package:observatory/src/elements/heap_snapshot.dart';
 export 'package:observatory/src/elements/icdata_ref.dart';
 export 'package:observatory/src/elements/icdata_view.dart';
@@ -209,6 +210,7 @@ Future initElements() async {
   FunctionRefElement.tag.ensureRegistration();
   FunctionRefElementWrapper.tag.ensureRegistration();
   GeneralErrorElement.tag.ensureRegistration();
+  HeapMapElement.tag.ensureRegistration();
   HeapSnapshotElement.tag.ensureRegistration();
   ICDataRefElement.tag.ensureRegistration();
   ICDataViewElement.tag.ensureRegistration();