Updated charted DEP to 0.4.X

packages/charted/examples/charts/renderers/demo_cartesian_renderers.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
  */
 
 library charted.demo.charts.cartesian_renderers;
 
@@ skipping 170 matching lines @@
 
   charts.forEach((ChartDemo x) => x.draw());
 }
 
 main() {
   new tm.TextMetrics(fontStyle: '14px Roboto');
   draw_charts();
 
   Element chartsContainer = querySelector('.demos-container');
   InputElement useRTLScriptCheckBox = querySelector('#rtl-use-script'),
-      switchAxesForRTLCheckBox = querySelector('#rtl-switch-axes'),
       useRTLLayoutCheckBox = querySelector('#rtl-use-layout');
 
   useRTLLayoutCheckBox.onChange.listen((_) {
     bool isRTL = useRTLLayoutCheckBox.checked;
     charts.forEach((ChartDemo x) => x.config.isRTL = isRTL);
     chartsContainer.attributes['dir'] = isRTL ? 'rtl' : 'ltr';
   });
 
   useRTLScriptCheckBox.onChange.listen((_) {
     bool isRTL = useRTLScriptCheckBox.checked;
-    Iterable DATA_SOURCE = isRTL
+    List<List> DATA_SOURCE = isRTL
         ? ORDINAL_DATA_RTL
         : ORDINAL_DATA;
     charts.forEach((ChartDemo x) {
       x.area.data = new ChartData(ORDINAL_DATA_COLUMNS, DATA_SOURCE);
       x.draw();
     });
   });
 }