Updated charted DEP to 0.4.X

packages/charted/lib/charts/chart_events.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 64 matching lines @@
   /// Value from ChartData on which the event occurred
   num get value;
 
   /// X position relative to the rendered chart
   num get chartX;
 
   /// Y position relative to the rendered chart
   num get chartY;
 
   factory ChartEvent(Event source, ChartArea area,
-      [ChartSeries series, int row, int column, value]) = DefaultChartEventImpl;
+      [ChartSeries series,
+      int row,
+      int column,
+      num value]) = DefaultChartEventImpl;
 }
 
 /// Interface implemented by chart behaviors.
 /// During initialization, the behaviors subscribe to any necessary events and
 /// handle them appropriately.
 abstract class ChartBehavior {
   /// Called while ChartArea is being initialized.
   ///  - [area] is the ChartArea on which this behavior is installed
   ///  - [upperRenderPane] is the Selection that is rendered on top of the
   ///    chart.  Behaviors can use it to draw any visualization in response
   ///    to user actions.
   ///  - [lowerRenderPane] is the Selection that is rendered below the chart.
   void init(
       ChartArea area, Selection upperRenderPane, Selection lowerRenderPane);
 
   /// Clears all DOM created by this behavior, unsubscribes to event listeners
   /// and clears any state.
   void dispose();
 }