dart2js: run dartfmt on tests

tests/compiler/dart2js/sourcemaps/colors.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Utility library for creating web colors.
 
 library sourcemaps.colors;
 
 /// A web color.
 abstract class Color {
@@ skipping 54 matching lines @@
     sb.write(', ');
     writeInt(g);
     sb.write(', ');
     writeInt(b);
     sb.write(', ');
     sb.write(a);
     sb.write(')');
 
     return sb.toString();
   }
-
 }
 
 /// A web color defined as HSV.
 class HSV implements Color {
   final double h;
   final double s;
   final double v;
 
   /// Creates a color defined by the hue [h] in range 0..360 (360 excluded),
   /// saturation [s] in range 0..1, and value [v] in range 0..1.
   const HSV(this.h, this.s, this.v);
 
   String get toCss => toRGB(this).toCss;
 
   static RGB toRGB(HSV hsv) {
     double h = hsv.h;
     double s = hsv.s;
     double v = hsv.v;
     if (s == 0.0) {
       // Grey.
       return new RGB(v, v, v);
     }
-    h /= 60.0;  // Sector 0 to 5.
+    h /= 60.0; // Sector 0 to 5.
     int i = h.floor();
     double f = h - i; // Factorial part of [h].
     double p = v * (1.0 - s);
     double q = v * (1.0 - s * f);
-    double t = v * (1.0 - s * (1.0 - f ));
+    double t = v * (1.0 - s * (1.0 - f));
     switch (i) {
       case 0:
         return new RGB(v, t, p);
       case 1:
         return new RGB(q, v, p);
       case 2:
         return new RGB(p, v, t);
       case 3:
         return new RGB(p, q, v);
       case 4:
         return new RGB(t, p, v);
-      default:    // case 5:
+      default: // case 5:
         return new RGB(v, p, q);
     }
   }
 
   String toString() => 'hsv($h,$s,$v)';
 }