Roll Observatory deps (charted -> ^0.3.0)

packages/charted/lib/charts/chart_theme.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 32 matching lines @@
   /// Used to separate pies in pie-chart, bars in grouped and stacked charts.
   int get defaultSeparatorWidth => 1;
 
   /// Stroke width used by all shapes.
   int get defaultStrokeWidth => 2;
 
   /// Default font for computation of text metrics
   String get defaultFont;
 
   /// Easing function for the transition
-  EasingFunction  get transitionEasingType => Transition.defaultEasingType;
+  EasingFunction get transitionEasingType => Transition.defaultEasingType;
 
   /// Easing mode for the transition
   EasingModeFunction get transitionEasingMode => Transition.defaultEasingMode;
 
   /// Total duration of the transition in milli-seconds
   int get transitionDurationMilliseconds => 250;
 
   /// Theme passed to the measure axes - only used by cartesian charts
   ChartAxisTheme getMeasureAxisTheme([Scale scale]) => null;
 
@@ skipping 64 matching lines @@
   ///
   /// Font string must be of the following form:
   ///   "bold italic 16px Roboto"
   ///   "bold 16px Roboto"
   ///   "italic 16px Roboto"
   ///   "16px Roboto"
   ///
   /// When not specified, SVGTextElement's metrics API will be used.
   String get ticksFont => null;
 }