Use the entity model for dump_info.

pkg/compiler/lib/src/elements/modelx.dart

 // Copyright (c) 2013, 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 elements.modelx;
 
 import '../common.dart';
 import '../common/names.dart' show Identifiers;
 import '../common/resolution.dart' show Resolution, ParsingContext;
 import '../compiler.dart' show Compiler;
@@ skipping 1643 matching lines @@
   bool get isLocal => true;
 
   accept(ElementVisitor visitor, arg) {
     return visitor.visitLocalVariableElement(this, arg);
   }
 }
 
 class FieldElementX extends VariableElementX
     with AnalyzableElementX
     implements FieldElement {
-  List<FunctionElement> nestedClosures = new List<FunctionElement>();
+  List<MethodElement> nestedClosures = new List<MethodElement>();
 
   FieldElementX(
       Identifier name, Element enclosingElement, VariableList variables)
       : super(name.source, ElementKind.FIELD, enclosingElement, variables,
             name.token);
 
   accept(ElementVisitor visitor, arg) {
     return visitor.visitFieldElement(this, arg);
   }
 
@@ skipping 372 matching lines @@
       : optionalParameters = optionalParameters,
         hasOptionalParameters = !optionalParameters.isEmpty;
 }
 
 abstract class BaseFunctionElementX extends ElementX
     with PatchMixin<FunctionElement>, AstElementMixin
     implements FunctionElement {
   ResolutionDartType typeCache;
   final Modifiers modifiers;
 
-  List<FunctionElement> nestedClosures = new List<FunctionElement>();
+  List<MethodElement> nestedClosures = new List<MethodElement>();
 
   FunctionSignature _functionSignatureCache;
 
   AsyncMarker _asyncMarker = AsyncMarker.SYNC;
 
   BaseFunctionElementX(String name, ElementKind kind, Modifiers this.modifiers,
       Element enclosing)
       : super(name, kind, enclosing) {
     assert(modifiers != null);
   }
@@ skipping 1541 matching lines @@
       body = node.asFunctionExpression().body;
     }
     return new ParsedResolvedAst(
         declaration,
         node,
         body,
         definingElement.treeElements,
         definingElement.compilationUnit.script.resourceUri);
   }
 }