Revert "Towards compiling Hello World!" and "Compile and run Hello World!"

pkg/compiler/lib/src/serialization/system.dart

 // Copyright (c) 2016, 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.serialization_system;
 
 import 'dart:async';
 
 import '../common.dart';
 import '../common/resolution.dart';
@@ skipping 82 matching lines @@
     if (element is ExecutableElement) {
       getResolvedAst(element);
     }
     if (element.isField && !element.isConst) {
       FieldElement field = element;
       if (field.isTopLevel || field.isStatic) {
         if (field.constant == null) {
           // TODO(johnniwinther): Find a cleaner way to do this. Maybe
           // `Feature.LAZY_FIELD` of the resolution impact should be used
           // instead.
-          _compiler.backend.constants.registerLazyStatic(field);
+          _compiler.backend.constants.registerLazyStatic(element);
         }
       }
     }
     return resolution.transformResolutionImpact(element, resolutionImpact);
   }
 
   @override
   bool isDeserialized(Element element) {
     return deserializedLibraries.contains(element.library);
   }
@@ skipping 210 matching lines @@
   }
 
   @override
   void onElement(Element element, ObjectDecoder getDecoder(String tag)) {
     ObjectDecoder decoder = getDecoder(RESOLVED_AST_TAG);
     if (decoder != null) {
       _decoderMap[element] = decoder;
     }
   }
 }