Deprecate NonThreadSafe in remoting in favor of SequenceChecker.

remoting/host/chromoting_host.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_CHROMOTING_HOST_H_
 #define REMOTING_HOST_CHROMOTING_HOST_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
-#include "base/threading/non_thread_safe.h"
+#include "base/sequence_checker.h"
 #include "base/threading/thread.h"
 #include "net/base/backoff_entry.h"
 #include "remoting/host/client_session.h"
 #include "remoting/host/desktop_environment_options.h"
 #include "remoting/host/host_extension.h"
 #include "remoting/host/host_status_monitor.h"
 #include "remoting/host/host_status_observer.h"
 #include "remoting/protocol/authenticator.h"
 #include "remoting/protocol/connection_to_client.h"
 #include "remoting/protocol/pairing_registry.h"
@@ skipping 28 matching lines @@
 //    ConnectionToClient to receive mouse / keyboard events from the remote
 //    client.
 //    After we have done all the initialization we'll start the ScreenRecorder.
 //    We'll then enter the running state of the host process.
 //
 // 3. When the user is disconnected, we will pause the ScreenRecorder
 //    and try to terminate the threads we have created. This will allow
 //    all pending tasks to complete. After all of that completed we
 //    return to the idle state. We then go to step (2) if there a new
 //    incoming connection.
-class ChromotingHost : public base::NonThreadSafe,
-                       public ClientSession::EventHandler,
+class ChromotingHost : public ClientSession::EventHandler,
                        public HostStatusMonitor {
  public:
   typedef std::vector<std::unique_ptr<ClientSession>> ClientSessions;
 
   // |desktop_environment_factory| must outlive this object.
   ChromotingHost(
       DesktopEnvironmentFactory* desktop_environment_factory,
       std::unique_ptr<protocol::SessionManager> session_manager,
       scoped_refptr<protocol::TransportContext> transport_context,
       scoped_refptr<base::SingleThreadTaskRunner> audio_task_runner,
@@ skipping 95 matching lines @@
 
   // The maximum duration of any session.
   base::TimeDelta max_session_duration_;
 
   // The pairing registry for PIN-less authentication.
   scoped_refptr<protocol::PairingRegistry> pairing_registry_;
 
   // List of host extensions.
   std::vector<std::unique_ptr<HostExtension>> extensions_;
 
+  SEQUENCE_CHECKER(sequence_checker_);
+
   base::WeakPtrFactory<ChromotingHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingHost);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CHROMOTING_HOST_H_