dartfmt dart2js and unittests

pkg/compiler/lib/src/resolution/resolution_result.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.
 
 library dart2js.resolution.result;
 
 import '../constants/expressions.dart';
 import '../dart_types.dart';
 import '../elements/elements.dart';
 import '../tree/tree.dart';
 import '../universe/call_structure.dart' show CallStructure;
 
-enum ResultKind { NONE, ELEMENT, TYPE, ASSERT, CONSTANT, PREFIX, }
+enum ResultKind {
+  NONE,
+  ELEMENT,
+  TYPE,
+  ASSERT,
+  CONSTANT,
+  PREFIX,
+}
 
 /// The result of resolving a node.
 abstract class ResolutionResult {
   const ResolutionResult();
 
   // TODO(johnniwinther): Remove this factory constructor when `null` is never
   // passed as an element result.
   factory ResolutionResult.forElement(Element element) {
     return element != null ? new ElementResult(element) : const NoneResult();
   }
@@ skipping 94 matching lines @@
 
   /// Returns the list of [ConstantExpression]s for each of the arguments. If
   /// [isValidAsConstant] is `false`, `null` is returned.
   List<ConstantExpression> get constantArguments {
     if (!isValidAsConstant) return null;
     return argumentResults.map((ResolutionResult result) {
       return result.constant;
     }).toList();
   }
 }