Fix issue 18435 (2nd attempt).

runtime/vm/ast_printer.h

Index: runtime/vm/ast_printer.h
===================================================================
--- runtime/vm/ast_printer.h	(revision 36398)
+++ runtime/vm/ast_printer.h	(working copy)
@@ -18,9 +18,7 @@
   static void PrintNode(AstNode* node);
   static void PrintFunctionScope(const ParsedFunction& parsed_function);
   static void PrintFunctionNodes(const ParsedFunction& parsed_function);
-  static void PrintLocalScope(const LocalScope* scope, int variable_index);
 
-
 #define DECLARE_VISITOR_FUNCTION(BaseName)                                     \
   virtual void Visit##BaseName##Node(BaseName##Node* node);
 
@@ -31,6 +29,10 @@
   AstPrinter();
   ~AstPrinter();
 
+  static void PrintLocalScopeVariable(const LocalScope* scope,
+                                      LocalVariable* var);
+  static void PrintLocalScope(const LocalScope* scope, int variable_index);
+
   void VisitGenericAstNode(AstNode* node);
   void VisitGenericLocalNode(AstNode* node, const LocalVariable& local);
   void VisitGenericFieldNode(AstNode* node, const Field& field);