Roll Observatory deps (charted -> ^0.3.0)

packages/charted/lib/charts/chart_series.dart

Index: packages/charted/lib/charts/chart_series.dart
diff --git a/packages/charted/lib/charts/chart_series.dart b/packages/charted/lib/charts/chart_series.dart
index 8582fe49f1c04c788f3eafde6d5345dbf5cae584..4d0fbd91704bfc08a01a03e7615fbc84111b9418 100644
--- a/packages/charted/lib/charts/chart_series.dart
+++ b/packages/charted/lib/charts/chart_series.dart
@@ -54,12 +54,12 @@ class ChartSeries {
 
   /// Factory function to create an instance of internal implementation of
   /// [ChartSeries].
-  factory ChartSeries(String name, Iterable<int> measures,
-      ChartRenderer renderer, { Iterable<String> measureAxisIds : null }) =>
-          new DefaultChartSeriesImpl(name, measures, renderer, measureAxisIds);
+  factory ChartSeries(
+          String name, Iterable<int> measures, ChartRenderer renderer,
+          {Iterable<String> measureAxisIds: null}) =>
+      new DefaultChartSeriesImpl(name, measures, renderer, measureAxisIds);
 }
 
-
 ///
 /// Implementation of [ChangeRecord] that is used to notify changes to
 /// [ChartSeries].  Currently, only changes to measures and measureAxisIds
@@ -70,4 +70,4 @@ class ChartSeriesChangeRecord implements ChangeRecord {
   final ChartSeries series;
 
   const ChartSeriesChangeRecord(this.series);
-}
+}