Add gnubby authentication to remoting host

remoting/host/gnubby_connection_factory.cc

+// 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.
+
+#include "remoting/host/gnubby_connection_factory.h"
+
+#include "base/lazy_instance.h"
+#include "remoting/host/gnubby_auth_handler.h"
+#include "remoting/host/gnubby_connection.h"
+
+namespace remoting {
+
+namespace {
+
+class DefaultGnubbyConnectionFactory : public GnubbyConnectionFactory {
+ public:
+  DefaultGnubbyConnectionFactory();
+  virtual ~DefaultGnubbyConnectionFactory();
+
+  virtual GnubbyConnection* Create(
+      GnubbyAuthHandler* auth_handler,
+      int connection_id,
+      net::StreamSocket* socket);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DefaultGnubbyConnectionFactory);
+};
+
+DefaultGnubbyConnectionFactory::DefaultGnubbyConnectionFactory() {}
+
+DefaultGnubbyConnectionFactory::~DefaultGnubbyConnectionFactory() {}
+
+GnubbyConnection* DefaultGnubbyConnectionFactory::Create(
+    GnubbyAuthHandler* auth_handler,
+    int connection_id,
+    net::StreamSocket* socket) {
+  return new GnubbyConnection(auth_handler, connection_id, socket);
+}
+
+}  // namespace
+
+// The default GnubbyConnectionFactory instance.
+static base::LazyInstance<DefaultGnubbyConnectionFactory> g_default_factory_ =
+    LAZY_INSTANCE_INITIALIZER;
+
+GnubbyConnectionFactory::GnubbyConnectionFactory() {}
+
+GnubbyConnectionFactory::~GnubbyConnectionFactory() {}
+
+// static
+GnubbyConnectionFactory* GnubbyConnectionFactory::GetDefaultFactory() {
+  return &g_default_factory_.Get();
+}
+
+}  // namespace remoting