Implement a dummy host to do capturing and analysis only.

remoting/test/it2me_standalone_host.h

Index: remoting/test/it2me_standalone_host.h
diff --git a/remoting/test/it2me_standalone_host.h b/remoting/test/it2me_standalone_host.h
new file mode 100644
index 0000000000000000000000000000000000000000..c7055374dbadebdc3722323081e58b46f1deb664
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+++ b/remoting/test/it2me_standalone_host.h
@@ -0,0 +1,63 @@
+// Copyright 2016 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_TEST_IT2ME_STANDALONE_HOST_H_
+#define REMOTING_TEST_IT2ME_STANDALONE_HOST_H_
+
+#include <memory>
+#include <string>
+
+#include "base/memory/ref_counted.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/timer/timer.h"
+#include "remoting/host/host_mock_objects.h"
+#include "remoting/host/it2me_desktop_environment.h"
+#include "remoting/protocol/fake_connection_to_client.h"
+#include "remoting/test/fake_connection_event_logger.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace remoting {
+class ChromotingHostContext;
+class ClientSession;
+
+namespace protocol {
+class SessionConfig;
+}  // namespace protocol
+
+namespace test {
+
+// A container for an it2me host by using FakeConnectionEventLogger to do
+// capturing without needing a client to connect to.
+class It2MeStandaloneHost {
+ public:
+  It2MeStandaloneHost();
+  ~It2MeStandaloneHost();
+
+  // Block current thread forever.
+  void Run();
+
+  void StartOutputTimer();
+
+ private:
+  void Connect();
+
+  base::MessageLoopForUI message_loop_;
+  base::RunLoop run_loop_;
+  std::unique_ptr<ChromotingHostContext> context_;
+  scoped_refptr<AutoThreadTaskRunner> main_task_runner_;
+  It2MeDesktopEnvironmentFactory factory_;
+  protocol::FakeConnectionToClient connection_;
+  std::string session_jid_;
+  std::unique_ptr<protocol::SessionConfig> config_;
+  FakeConnectionEventLogger event_logger_;
+  testing::NiceMock<MockClientSessionEventHandler> handler_;
+  std::unique_ptr<ClientSession> session_;
+  base::RepeatingTimer timer_;
+};
+
+}  // namespace test
+}  // namespace remoting
+
+#endif  // REMOTING_TEST_IT2ME_STANDALONE_HOST_H_