Merge the 3 different closure nodes into a single node.

runtime/vm/ast_printer.cc

 // Copyright (c) 2011, 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.
 
 #include "vm/ast_printer.h"
 
 #include "vm/handles.h"
 #include "vm/object.h"
 #include "vm/os.h"
 #include "vm/parser.h"
@@ skipping 249 matching lines @@
   OS::Print("))");
 }
 
 
 void AstPrinter::VisitClosureNode(ClosureNode* node) {
   const char* function_fullname = node->function().ToFullyQualifiedCString();
   OS::Print("(%s '%s')", node->Name(), function_fullname);
 }
 
 
-void AstPrinter::VisitImplicitStaticClosureNode(
-    ImplicitStaticClosureNode* node) {
-  const char* function_fullname = node->function().ToFullyQualifiedCString();
-  OS::Print("static (%s '%s')", node->Name(), function_fullname);
-}
-
-
-void AstPrinter::VisitImplicitInstanceClosureNode(
-    ImplicitInstanceClosureNode* node) {
-  const char* function_fullname = node->function().ToFullyQualifiedCString();
-  OS::Print("(%s '%s')", node->Name(), function_fullname);
-}
-
-
 void AstPrinter::VisitClosureCallNode(ClosureCallNode* node) {
   VisitGenericAstNode(node);
 }
 
 
 void AstPrinter::VisitConstructorCallNode(ConstructorCallNode* node) {
   const char* kind = node->constructor().IsFactory() ? "factory " : "";
   const char* constructor_name = node->constructor().ToFullyQualifiedCString();
   OS::Print("(%s %s'%s' ((this)", node->Name(), kind, constructor_name);
   node->VisitChildren(this);
@@ skipping 183 matching lines @@
   ASSERT(node_sequence != NULL);
   AstPrinter ast_printer;
   const char* function_name =
       parsed_function.function().ToFullyQualifiedCString();
   OS::Print("Ast for function '%s' {\n", function_name);
   node_sequence->Visit(&ast_printer);
   OS::Print("}\n");
 }
 
 }  // namespace dart