Remove VM Stats

runtime/bin/vmstats/vmstats.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.
-
-library dart.vmstats;
-
-import 'dart:async';
-import 'dart:html';
-import 'dart:json' as JSON;
-
-part 'bargraph.dart';
-part 'isolate_list.dart';
-part 'models.dart';
-
-BarGraph _graph;
-IsolateList _isolateList;
-DivElement _statusText;
-IsolateListModel _isolates;
-Timer _updater;
-
-final int _POLL_INTERVAL = const Duration(seconds: 3);
-final String CYAN = '#00EE76';
-final String GREEN = '#97FFFF';
-
-void main() {
-  DivElement dashBoard = query('#dashboard');
-  CanvasElement canvas = query('#graph');
-  var elements = [ new Element("Old Space", GREEN),
-                   new Element("New Space", CYAN)];
-  _graph = new BarGraph(canvas, elements);
-  _isolateList = new IsolateList(query('#isolateList'));
-  _statusText = query('#statusText');
-
-  _isolates = new IsolateListModel();
-  _isolates.addListener(onUpdateStatus, onRequestFailed);
-  _isolates.update();
-  _updater = new Timer.periodic(_POLL_INTERVAL, (timer) => _isolates.update());
-}
-
-void onUpdateStatus(IsolateListModel model) {
-  int oldSpace = 0;
-  int newSpace = 0;
-  model.forEach((Isolate element) {
-    oldSpace += element.oldSpace.used;
-    newSpace += element.newSpace.used;
-  });
-  _graph.addSample([oldSpace, newSpace]);
-  _isolateList.updateList(model);
-  showStatus('Running ...');
-}
-
-void onRequestFailed() {
-  _updater.cancel();
-  _isolates.removeListener(onUpdateStatus);
-  showStatus('Server closed');
-}
-
-void showStatus(status) {
-  _statusText.text = status;
-}