Initial GUI for VM service

runtime/bin/vmservice/client/packages/observatory/src/observatory_elements/observatory_element.dart

Index: runtime/bin/vmservice/client/packages/observatory/src/observatory_elements/observatory_element.dart
diff --git a/runtime/bin/vmservice/client/packages/observatory/src/observatory_elements/observatory_element.dart b/runtime/bin/vmservice/client/packages/observatory/src/observatory_elements/observatory_element.dart
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index 0000000000000000000000000000000000000000..55f92240b64f156cb56157ca684777182e8965e7
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+++ b/runtime/bin/vmservice/client/packages/observatory/src/observatory_elements/observatory_element.dart
@@ -0,0 +1,17 @@
+// Copyright (c) 2013, 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.
+
+library observatory_element;
+
+import 'package:polymer/polymer.dart';
+import 'package:observatory/observatory.dart';
+export 'package:observatory/observatory.dart';
+
+/// Base class for all custom elements. Holds an observable
+/// [ObservableApplication] and applies author styles.
+@CustomTag('observatory-element')
+class ObservatoryElement extends PolymerElement {
+  @published ObservatoryApplication get app => __$app; ObservatoryApplication __$app; set app(ObservatoryApplication value) { __$app = notifyPropertyChange(#app, __$app, value); }
+  bool get applyAuthorStyles => true;
+}