Reorganize VM Service client

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

 // 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();
@@ skipping 15 matching lines @@
 
   /// 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;
   }
 }