Pass closure object as first implicit argument to closure functions.

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 324 matching lines @@
 void AstPrinter::VisitStoreIndexedNode(StoreIndexedNode* node) {
   OS::Print("(%s%s ", node->Name(), node->IsSuperStore() ? " super" : "");
   node->VisitChildren(this);
   OS::Print(")");
 }
 
 
 void AstPrinter::VisitNativeBodyNode(NativeBodyNode* node) {
   OS::Print("(native_c call '%s'(%d args))",
             node->native_c_function_name().ToCString(),
-            node->argument_count());
+            NativeArguments::ParameterCountForResolution(node->function()));
 }
 
 
 void AstPrinter::VisitCatchClauseNode(CatchClauseNode* node) {
   node->VisitChildren(this);
 }
 
 
 void AstPrinter::VisitTryCatchNode(TryCatchNode* node) {
   OS::Print("(");
@@ skipping 137 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