[Chromoting] Use HostExperimentSessionPlugin in host

remoting/host/client_session.h

 // Copyright (c) 2012 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_CLIENT_SESSION_H_
 #define REMOTING_HOST_CLIENT_SESSION_H_
 
 #include <cstdint>
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "remoting/host/client_session_control.h"
 #include "remoting/host/client_session_details.h"
 #include "remoting/host/desktop_environment_options.h"
+#include "remoting/host/host_experiment_session_plugin.h"
 #include "remoting/host/host_extension_session_manager.h"
 #include "remoting/host/remote_input_filter.h"
 #include "remoting/protocol/clipboard_echo_filter.h"
 #include "remoting/protocol/clipboard_filter.h"
 #include "remoting/protocol/clipboard_stub.h"
 #include "remoting/protocol/connection_to_client.h"
 #include "remoting/protocol/host_stub.h"
 #include "remoting/protocol/input_event_tracker.h"
 #include "remoting/protocol/input_filter.h"
 #include "remoting/protocol/input_stub.h"
@@ skipping 206 matching lines @@
   bool lossless_video_encode_ = false;
   bool lossless_video_color_ = false;
 
   // VideoLayout is sent only after the control channel is connected. Until
   // then it's stored in |pending_video_layout_message_|.
   std::unique_ptr<protocol::VideoLayout> pending_video_layout_message_;
 
   scoped_refptr<protocol::InputEventTimestampsSource>
       event_timestamp_source_for_tests_;
 
+  HostExperimentSessionPlugin host_experiment_session_plugin_;
+
   // Used to disable callbacks to |this| once DisconnectSession() has been
   // called.
   base::WeakPtrFactory<ClientSessionControl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSession);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CLIENT_SESSION_H_