Add Socket ref to HttpServer.

runtime/bin/vmservice/client/lib/src/elements/io_view.dart

Index: runtime/bin/vmservice/client/lib/src/elements/io_view.dart
diff --git a/runtime/bin/vmservice/client/lib/src/elements/io_view.dart b/runtime/bin/vmservice/client/lib/src/elements/io_view.dart
index bc5901478441fffe8dad1f4dee20550d9828f43e..a3daa082a258455fda34eae6ca4e51fbc80afc68 100644
--- a/runtime/bin/vmservice/client/lib/src/elements/io_view.dart
+++ b/runtime/bin/vmservice/client/lib/src/elements/io_view.dart
@@ -72,6 +72,22 @@ class IOHttpServerViewElement extends ObservatoryElement {
   }
 }
 
+@CustomTag('io-socket-ref')
+class IOSocketRefElement extends ServiceRefElement {
+  IOSocketRefElement.created() : super.created();
+}
+
+@CustomTag('io-socket-view')
+class IOSocketViewElement extends ObservatoryElement {
+  @published ServiceMap socket;
+
+  IOSocketViewElement.created() : super.created();
+
+  void refresh(var done) {
+    socket.reload().whenComplete(done);
+  }
+}
+
 @CustomTag('io-random-access-file-list-view')
 class IORandomAccessFileListViewElement extends ObservatoryElement {
   @published ServiceMap list;