Initial GUI for VM service

runtime/bin/vmservice/client/packages/observatory/src/observatory/application.dart

Index: runtime/bin/vmservice/client/packages/observatory/src/observatory/application.dart
diff --git a/runtime/bin/vmservice/client/packages/observatory/src/observatory/application.dart b/runtime/bin/vmservice/client/packages/observatory/src/observatory/application.dart
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index 0000000000000000000000000000000000000000..d6fb05678b80a862b2166183b01d883194df03f6
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+++ b/runtime/bin/vmservice/client/packages/observatory/src/observatory/application.dart
@@ -0,0 +1,35 @@
+// 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.
+
+part of observatory;
+
+/// The observatory application. Instances of this are created and owned
+/// by the observatory_application custom element.
+class ObservatoryApplication {
+  final LocationManager locationManager = new LocationManager();
+  final RequestManager requestManager = new HttpRequestManager();
+  final IsolateManager isolateManager = new IsolateManager();
+
+  ObservatoryApplication() {
+    locationManager._application = this;
+    requestManager._application = this;
+    isolateManager._application = this;
+    requestManager.interceptor = isolateManager._responseInterceptor;
+    locationManager.init();
+  }
+
+  /// Return the [Isolate] with [id].
+  Isolate getIsolate(int id) {
+    return isolateManager.isolates[id];
+  }
+
+  /// Return the name of the isolate with [id].
+  String getIsolateName(int id) {
+    var isolate = getIsolate(id);
+    if (isolate == null) {
+      return 'Null Isolate';
+    }
+    return isolate.name;
+  }
+}