Initial implementation of a flow-graph builder for Dart's AST.

runtime/vm/handles_impl.h

Index: runtime/vm/handles_impl.h
diff --git a/runtime/vm/handles_impl.h b/runtime/vm/handles_impl.h
index 4b70a76266e128daf50881c2184a1c873ecca812..327c28bfa2848eb42a708737b39b475ea4831809 100644
--- a/runtime/vm/handles_impl.h
+++ b/runtime/vm/handles_impl.h
@@ -1,10 +1,12 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2012, 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.
 
 #ifndef VM_HANDLES_IMPL_H_
 #define VM_HANDLES_IMPL_H_
 
+#include "vm/visitor.h"
+
 namespace dart {
 
 DECLARE_DEBUG_FLAG(bool, trace_handles_count);