dart2js: run dartfmt on tests

tests/compiler/dart2js_native/field_type2_test.dart

Index: tests/compiler/dart2js_native/field_type2_test.dart
diff --git a/tests/compiler/dart2js_native/field_type2_test.dart b/tests/compiler/dart2js_native/field_type2_test.dart
index 6f8c35bf301c57e1a69f290173897ca651d5c712..31de6696c371a2b84d8d428a5347b988b7cfe9bf 100644
--- a/tests/compiler/dart2js_native/field_type2_test.dart
+++ b/tests/compiler/dart2js_native/field_type2_test.dart
@@ -12,7 +12,7 @@ class Node {
   final parentNode;
 }
 
-makeNode(parent) native;
+makeNode(parent) native ;
 
 void setup() native """
 // This code is all inside 'setup' and so not accesible from the global scope.
@@ -20,7 +20,6 @@ function Node(parent){ this.parentNode = parent; }
 makeNode = function(p){return new Node(p);};
 """;
 
-
 main() {
   setup();
   var node = makeNode(null);