1 files changed, 28 insertions, 0 deletions
diff --git a/xfa/fxfa/parser/cxfa_nodeowner.h b/xfa/fxfa/parser/cxfa_nodeowner.h
new file mode 100644
index 0000000000..2aaabe4118
--- /dev/null
+++ b/xfa/fxfa/parser/cxfa_nodeowner.h
@@ -0,0 +1,28 @@
+// Copyright 2018 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FXFA_PARSER_CXFA_NODEOWNER_H_
+#define XFA_FXFA_PARSER_CXFA_NODEOWNER_H_
+
+#include <memory>
+#include <set>
+
+class CXFA_Node;
+
+class CXFA_NodeOwner {
+ public:
+  virtual ~CXFA_NodeOwner();
+
+  CXFA_Node* AddOwnedNode(std::unique_ptr<CXFA_Node> node);
+  void FreeOwnedNode(CXFA_Node* node);
+
+ protected:
+  CXFA_NodeOwner();
+
+  std::set<std::unique_ptr<CXFA_Node>> nodes_;
+};
+
+#endif  // XFA_FXFA_PARSER_CXFA_NODEOWNER_H_