1 files changed, 21 insertions, 0 deletions
diff --git a/xfa/fwl/core/cfwl_msgkey.cpp b/xfa/fwl/core/cfwl_msgkey.cpp
new file mode 100644
index 0000000000..0163da9e8d
--- /dev/null
+++ b/xfa/fwl/core/cfwl_msgkey.cpp
@@ -0,0 +1,21 @@
+// Copyright 2016 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
+
+#include "xfa/fwl/core/cfwl_msgkey.h"
+
+#include "third_party/base/ptr_util.h"
+
+CFWL_MsgKey::CFWL_MsgKey() {}
+
+CFWL_MsgKey::~CFWL_MsgKey() {}
+
+std::unique_ptr<CFWL_Message> CFWL_MsgKey::Clone() {
+  return pdfium::MakeUnique<CFWL_MsgKey>(*this);
+}
+
+CFWL_MessageType CFWL_MsgKey::GetClassID() const {
+  return CFWL_MessageType::Key;
+}