dartfmt dart2js and unittests

pkg/compiler/lib/src/elements/common.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.
 
 /// Mixins that implement convenience methods on [Element] subclasses.
 
 library elements.common;
 
 import '../common/names.dart' show Identifiers, Names, Uris;
 import '../core_types.dart' show CoreClasses;
@@ skipping 583 matching lines @@
     return isClassMember && !isStatic;
   }
 
   @override
   bool get isAbstract {
     return getter != null && getter.isAbstract ||
         setter != null && setter.isAbstract;
   }
 }
 
-enum _FromEnvironmentState { NOT, BOOL, INT, STRING, }
+enum _FromEnvironmentState {
+  NOT,
+  BOOL,
+  INT,
+  STRING,
+}
 
 abstract class ConstructorElementCommon implements ConstructorElement {
   _FromEnvironmentState _fromEnvironmentState;
 
   _FromEnvironmentState get fromEnvironmentState {
     if (_fromEnvironmentState == null) {
       _fromEnvironmentState = _FromEnvironmentState.NOT;
       if (name == Identifiers.fromEnvironment && library.isDartCore) {
         switch (enclosingClass.name) {
           case 'bool':
@@ skipping 24 matching lines @@
   @override
   bool get isBoolFromEnvironmentConstructor {
     return fromEnvironmentState == _FromEnvironmentState.BOOL;
   }
 
   @override
   bool get isStringFromEnvironmentConstructor {
     return fromEnvironmentState == _FromEnvironmentState.STRING;
   }
 }