Add gnubby authentication to remoting host

remoting/host/gnubby_connection_factory.h

Index: remoting/host/gnubby_connection_factory.h
diff --git a/remoting/host/gnubby_connection_factory.h b/remoting/host/gnubby_connection_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..518efbcd64b179b13b84a0fbe4f1426bf4df96cd
--- /dev/null
+++ b/remoting/host/gnubby_connection_factory.h
@@ -0,0 +1,47 @@
+// Copyright 2014 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_GNUBBY_CONNECTION_FACTORY_H_
+#define REMOTING_HOST_GNUBBY_CONNECTION_FACTORY_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "base/single_thread_task_runner.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}  // namespace base
+
+namespace net {
+class StreamSocket;
+}  // namespace net
+
+namespace remoting {
+
+class GnubbyAuthHandler;
+class GnubbyConnection;
+
+// An interface used to instantiate GnubbyConnection objects.
+
+class GnubbyConnectionFactory {
+ public:
+  GnubbyConnectionFactory();
+  virtual ~GnubbyConnectionFactory();
+
+  // Create a new GnubbyConnection object.
+  virtual GnubbyConnection* Create(
+      scoped_refptr<base::SingleThreadTaskRunner> network_task_runner,
+      GnubbyAuthHandler* auth_handler,
+      int connection_id,
+      net::StreamSocket* socket) = 0;
+
+  // Get the default GnubbyConnection factory.
+  static GnubbyConnectionFactory* GetDefaultFactory();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GnubbyConnectionFactory);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_GNUBBY_CONNECTION_FACTORY_H_