Updated charted DEP to 0.4.X

packages/charted/lib/charts/src/chart_legend_impl.dart

 //
 // Copyright 2014 Google Inc. All rights reserved.
 //
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file or at
 // https://developers.google.com/open-source/licenses/bsd
 //
 
 part of charted.charts;
 
@@ skipping 96 matching lines @@
     // _createLegendItems(tooltip, 'chart-legend-more', items);
   }
 
   /// Creates legend items starting at the given index.
   void _createLegendItems() {
     var state = _area.state,
         rows =
         _root.selectAll('.chart-legend-row').data(_items, (x) => x.hashCode),
         isFirstRender = rows.length == 0;
 
-    var enter = rows.enter.appendWithCallback((d, i, e) {
+    var enter = rows.enter.appendWithCallback((ChartLegendItem d, i, e) {
       var row = Namespace.createChildElement('div', e),
           color = Namespace.createChildElement('div', e)
             ..className = 'chart-legend-color',
           label = Namespace.createChildElement('div', e)
             ..className = 'chart-legend-label',
           value = showValues
               ? (Namespace.createChildElement('div', e)
                 ..className = 'chart-legend-value')
               : null;
 
-      var rowStyles = ['chart-legend-row'].toList();
+      var rowStyles = <String>['chart-legend-row'];
 
       // If this is the first time we are adding rows,
       // Update elements before adding them to the DOM.
       if (isFirstRender) {
         if (state != null) {
           if (d.index == state.preview) {
             rowStyles.add('chart-legend-hover');
           }
           if (state.isSelected(d.index)) {
             rowStyles.add('chart-legend-selected');
@@ skipping 59 matching lines @@
           } else {
             state.select(d.index);
           }
         });
     }
 
     rows.exit.remove();
   }
 
   /// Update legend to show chart's selection and visibility.
-  void _handleStateChanges(_) => _createLegendItems();
+  void _handleStateChanges(List<ChangeRecord> _) => _createLegendItems();
 }