Converted Observatory isolate-reconnect element

runtime/observatory/lib/src/app/page.dart

Index: runtime/observatory/lib/src/app/page.dart
diff --git a/runtime/observatory/lib/src/app/page.dart b/runtime/observatory/lib/src/app/page.dart
index 0129c3483241971b0cf60005fb511c885deb1f34..50b35610ec9abd69ab52023f9b3bdcffe986baf7 100644
--- a/runtime/observatory/lib/src/app/page.dart
+++ b/runtime/observatory/lib/src/app/page.dart
@@ -392,14 +392,16 @@ class IsolateReconnectPage extends Page {
   IsolateReconnectPage(app) : super(app);
 
   void onInstall() {
-    if (element == null) {
-      element = new Element.tag('isolate-reconnect');
-    }
-    assert(element != null);
+    element = new IsolateReconnectElement(app.vm, app.vm.changes.map((_) {
+      new VMUpdateEventMock(vm: app.vm);
+    }), app.notifications);
   }
 
   void _visit(Uri uri) {
     app.vm.reload();
+    (element as IsolateReconnectElement)
+      ..missing = uri.queryParameters['isolateId']
+      ..uri = Uri.parse(uri.queryParameters['originalUri']);
     assert(element != null);
     assert(canVisit(uri));
   }