Split Universe into ResolutionUniverse and CodegenUniverse

pkg/compiler/lib/src/js_backend/constant_handler_javascript.dart

 // Copyright (c) 2014, 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.
 
 import '../compile_time_constants.dart';
 import '../compiler.dart' show Compiler;
 import '../constants/constant_system.dart';
 import '../constants/expressions.dart';
 import '../constants/values.dart';
 import '../elements/elements.dart';
@@ skipping 256 matching lines @@
 }
 
 class ForgetConstantNodeVisitor extends Visitor {
   final JavaScriptConstantCompiler constants;
 
   ForgetConstantNodeVisitor(this.constants);
 
   void visitNode(Node node) {
     node.visitChildren(this);
     constants.nodeConstantMap.remove(node);
-
-    // TODO(ahe): This doesn't belong here. Rename this class and generalize.
-    var closureClassMap = constants
-        .compiler.closureToClassMapper.closureMappingCache
-        .remove(node);
-    if (closureClassMap != null) {
-      closureClassMap
-          .removeMyselfFrom(constants.compiler.enqueuer.codegen.universe);
-    }
   }
 }