Linux pairing registry delegate implementation

remoting/host/pairing_registry_delegate.h

Index: remoting/host/pairing_registry_delegate.h
diff --git a/remoting/host/pairing_registry_delegate.h b/remoting/host/pairing_registry_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..95a4907b751f0b59061f189b9b97578f1b35dd5a
--- /dev/null
+++ b/remoting/host/pairing_registry_delegate.h
@@ -0,0 +1,23 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef REMOTING_HOST_PAIRING_REGISTRY_DELEGATE_H_
+#define REMOTING_HOST_PAIRING_REGISTRY_DELEGATE_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "remoting/protocol/pairing_registry.h"
+
+namespace base {
+class TaskRunner;
+}  // namespace base
+
+namespace remoting {
+// Returns a platform-specific pairing registry delegate that will save to
+// permanent storage using the specified TaskRunner. Returns NULL on platforms
+// that don't support pairing.
+scoped_ptr<protocol::PairingRegistry::Delegate>
+CreatePairingRegistryDelegate(scoped_refptr<base::TaskRunner> task_runner);
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_PAIRING_REGISTRY_DELEGATE_H_