Use the entity model for dump_info.

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

Index: pkg/compiler/lib/src/elements/modelx.dart
diff --git a/pkg/compiler/lib/src/elements/modelx.dart b/pkg/compiler/lib/src/elements/modelx.dart
index 8ff0fba139b9761b56258387fb4c520d302638fc..6df87c3f79ec2602e972274dacaa3abb90ffa176 100644
--- a/pkg/compiler/lib/src/elements/modelx.dart
+++ b/pkg/compiler/lib/src/elements/modelx.dart
@@ -1661,7 +1661,7 @@ class LocalVariableElementX extends VariableElementX
 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)
@@ -2054,7 +2054,7 @@ abstract class BaseFunctionElementX extends ElementX
   ResolutionDartType typeCache;
   final Modifiers modifiers;
 
-  List<FunctionElement> nestedClosures = new List<FunctionElement>();
+  List<MethodElement> nestedClosures = new List<MethodElement>();
 
   FunctionSignature _functionSignatureCache;