Converted Observatory isolate-reconnect element

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

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of app;
 
 class IsolateNotFound implements Exception {
   String isolateId;
   IsolateNotFound(this.isolateId);
   String toString() => "IsolateNotFound: $isolateId";
@@ skipping 374 matching lines @@
     assert(canVisit(uri));
   }
 
   bool canVisit(Uri uri) => uri.path == 'vm-connect';
 }
 
 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));
   }
 
   bool canVisit(Uri uri) => uri.path == 'isolate-reconnect';
 }
 
 class MetricsPage extends Page {
   // Page state, retained as long as ObservatoryApplication.
   String selectedMetricId;
@@ skipping 63 matching lines @@
     assert(element != null);
   }
 
   void _visit(Uri uri) {
     assert(element != null);
     assert(canVisit(uri));
   }
 
   bool canVisit(Uri uri) => uri.path == 'timeline';
 }