Format samples and samples-dev directories.

samples-dev/swarm/test/swarm_ui_lib/touch/touch_test.dart

 // Copyright (c) 2011, 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.
 
 library touchTests;
 
 import 'dart:html'; // TODO(rnystrom): Only needed to tell architecture.py
-                    // that this is a web test. Come up with cleaner solution.
+// that this is a web test. Come up with cleaner solution.
 import 'package:unittest/html_config.dart';
 import 'package:unittest/unittest.dart';
 import '../../../swarm_ui_lib/touch/touch.dart';
 
 main() {
   useHtmlConfiguration();
   test('Solver', () {
     expect(Solver.solve((x) => x * x, 81, 10), closeTo(9, 0.1));
     expect(Solver.solve((x) => x * x, 0, 10), closeTo(0, 0.1));
     expect(Solver.solve((x) => x * x, 1.5625, 10), closeTo(1.25, 0.1));
@@ skipping 13 matching lines @@
       final momentum = new TimeoutMomentum(null);
     });
   });
 }
 
 class TestMomentumDelegate {
   Function onDecelerateCallback;
   Function onDecelerationEndCallback;
 
   void onDecelerate(num x, num y,
-                    [num duration = 0, String timingFunction = null]) {
-     onDecelerateCallback(x, y, duration, timingFunction);
+      [num duration = 0, String timingFunction = null]) {
+    onDecelerateCallback(x, y, duration, timingFunction);
   }
 
   /**
    * Callback for end of deceleration.
    */
   void onDecelerationEnd() {
     onDecelerationEndCallback();
   }
 }