dart2js: run dartfmt on tests

tests/compiler/dart2js_native/field_type_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.
 
 // A native class has no defined constructor.
 // This regression test verifies that compiler accounts for hidden constructor
 // when analysing field values.
 
 import "dart:_js_helper";
 import "package:expect/expect.dart";
 
 @Native("Node")
 class Node {
-
   final Node parentNode;
 
-  ModelSource _modelSource;  // If null, inherited from parent.
+  ModelSource _modelSource; // If null, inherited from parent.
 
   ModelSource get modelSource {
     for (Node node = this; node != null; node = node.parentNode) {
       ModelSource source = node._modelSource;
       if (source != null) return source;
     }
     return null;
   }
 
   // Copy of above code renamed with suffix '2'.
 
-  ModelSource _modelSource2;  // If null, inherited from parent.
+  ModelSource _modelSource2; // If null, inherited from parent.
 
   ModelSource get modelSource2 {
     for (Node node = this; node != null; node = node.parentNode) {
       ModelSource source = node._modelSource2;
       if (source != null) return source;
     }
     return null;
   }
 }
 
-makeNode(parent) native;
+makeNode(parent) native ;
 
 class ModelSource {
   var name;
   ModelSource(this.name);
   toString() => 'ModelSource($name)';
 }
 
 void setup() native """
 // This code is all inside 'setup' and so not accesible from the global scope.
 function Node(parent){ this.parentNode = parent; }
 makeNode = function(p){return new Node(p);};
 """;
 
-
 main() {
   setup();
 
   var n1 = makeNode(null);
   var n2 = makeNode(n1);
   var n3 = makeNode(n2);
 
   var m1 = new ModelSource('1');
-  n2._modelSource = null;        // null write.
-  n2._modelSource = m1;          // Non-null write.
+  n2._modelSource = null; // null write.
+  n2._modelSource = m1; // Non-null write.
   var x1 = n3.modelSource;
   Expect.identical(m1, x1);
 
   var m2 = new ModelSource('2');
-  n2._modelSource2 = m2;         // The only write is non-null.
+  n2._modelSource2 = m2; // The only write is non-null.
   var x2 = n3.modelSource2;
   Expect.identical(m2, x2);
 }