Remove load graph from isolate

runtime/observatory/lib/src/elements/isolate_view.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 isolate_view_element;
 
 import 'dart:async';
 import 'observatory_element.dart';
-import 'package:observatory/app.dart';
 import 'package:observatory/service.dart';
 import 'package:polymer/polymer.dart';
 
-class TagProfileChart {
-  var _table = new DataTable();
-  var _chart;
-
-  void update(TagProfile tagProfile) {
-    if (_table.columns == 0) {
-      // Initialize.
-      _table.addColumn('string', 'Time');
-      for (var tagName in tagProfile.names) {
-        if (tagName == 'Idle') {
-          // Skip Idle tag.
-          continue;
-        }
-        _table.addColumn('number', tagName);
-      }
-    }
-    _table.clearRows();
-    var idleIndex = tagProfile.names.indexOf('Idle');
-    assert(idleIndex != -1);
-    var t = tagProfile.updatedAtSeconds;
-    for (var i = 0; i < tagProfile.snapshots.length; i++) {
-      var snapshotTime = tagProfile.snapshots[i].seconds;
-      var row = [];
-      if (snapshotTime > 0.0) {
-        row.add('t ${(snapshotTime - t).toStringAsFixed(2)}');
-      } else {
-        row.add('');
-      }
-      var sum = tagProfile.snapshots[i].sum;
-      if (sum == 0) {
-        for (var j = 0; j < tagProfile.snapshots[i].counters.length; j++) {
-          if (j == idleIndex) {
-            // Skip idle.
-            continue;
-          }
-          row.add(0);
-        }
-     } else {
-       for (var j = 0; j < tagProfile.snapshots[i].counters.length; j++) {
-         if (j == idleIndex) {
-           // Skip idle.
-           continue;
-         }
-         var percentage = tagProfile.snapshots[i].counters[j] / sum * 100.0;
-         row.add(percentage.toInt());
-       }
-     }
-     _table.addRow(row);
-    }
-  }
-
-  void draw(var element) {
-    if (_chart == null) {
-      assert(element != null);
-      _chart = new Chart('SteppedAreaChart', element);
-      _chart.options['isStacked'] = true;
-      _chart.options['connectSteps'] = false;
-      _chart.options['vAxis'] = {
-        'minValue': 0.0,
-        'maxValue': 100.0,
-      };
-    }
-    _chart.draw(_table);
-  }
-}
-
 @CustomTag('isolate-view')
 class IsolateViewElement extends ObservatoryElement {
   @published Isolate isolate;
   @published Library rootLibrary;
-  Timer _updateTimer;
-  TagProfileChart tagProfileChart = new TagProfileChart();
   IsolateViewElement.created() : super.created();
 
   Future<ServiceObject> evaluate(String expression) {
     return isolate.rootLibrary.evaluate(expression);
   }
 
-  void _updateTagProfile() {
-    isolate.updateTagProfile().then((tagProfile) {
-      tagProfileChart.update(tagProfile);
-      _drawTagProfileChart();
-      if (_updateTimer != null) {
-        // Start the timer again.
-        _updateTimer = new Timer(new Duration(seconds: 1), _updateTagProfile);
-      }
-    });
-  }
-
-  @override
   void attached() {
     super.attached();
-    // Start a timer to update the isolate summary once a second.
-    _updateTimer = new Timer(new Duration(seconds: 1), _updateTagProfile);
     if (isolate.topFrame != null) {
       isolate.topFrame.function.load();
     }
     isolate.rootLibrary.load().then((lib) => rootLibrary = lib);
   }
 
-  @override
-  void detached() {
-    super.detached();
-    if (_updateTimer != null) {
-      _updateTimer.cancel();
-      _updateTimer = null;
-    }
-  }
-
-  void _drawTagProfileChart() {
-    var element = shadowRoot.querySelector('#tagProfileChart');
-    if (element != null) {
-      tagProfileChart.draw(element);
-    }
-  }
-
   Future refresh() async {
     await isolate.reload();
     if (isolate.topFrame != null) {
       await isolate.topFrame.function.load();
     }
   }
 
   Future refreshCoverage() {
     return isolate.refreshCoverage();
   }
 }