Deprecate NonThreadSafe in remoting in favor of SequenceChecker.

remoting/protocol/ssl_hmac_channel_authenticator.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_PROTOCOL_SSL_HMAC_CHANNEL_AUTHENTICATOR_H_
 #define REMOTING_PROTOCOL_SSL_HMAC_CHANNEL_AUTHENTICATOR_H_
 
 #include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/threading/non_thread_safe.h"
+#include "base/sequence_checker.h"
 #include "remoting/protocol/channel_authenticator.h"
 
 namespace net {
 class CertVerifier;
 class CTPolicyEnforcer;
 class CTVerifier;
 class DrainableIOBuffer;
 class GrowableIOBuffer;
 class SSLServerContext;
 class SSLSocket;
 class TransportSecurityState;
 }  // namespace net
 
 namespace remoting {
 
 class RsaKeyPair;
 
 namespace protocol {
 
 // SslHmacChannelAuthenticator implements ChannelAuthenticator that
 // secures channels using SSL and authenticates them with a shared
 // secret HMAC.
-class SslHmacChannelAuthenticator : public ChannelAuthenticator,
-                                    public base::NonThreadSafe {
+class SslHmacChannelAuthenticator : public ChannelAuthenticator {
  public:
   enum LegacyMode {
     NONE,
     SEND_ONLY,
     RECEIVE_ONLY,
   };
 
   // CreateForClient() and CreateForHost() create an authenticator
   // instances for client and host. |auth_key| specifies shared key
   // known by both host and client. In case of V1Authenticator the
@@ skipping 48 matching lines @@
   std::unique_ptr<net::CertVerifier> cert_verifier_;
   std::unique_ptr<net::CTVerifier> ct_verifier_;
   std::unique_ptr<net::CTPolicyEnforcer> ct_policy_enforcer_;
 
   std::unique_ptr<net::SSLSocket> socket_;
   DoneCallback done_callback_;
 
   scoped_refptr<net::DrainableIOBuffer> auth_write_buf_;
   scoped_refptr<net::GrowableIOBuffer> auth_read_buf_;
 
+  SEQUENCE_CHECKER(sequence_checker_);
+
   DISALLOW_COPY_AND_ASSIGN(SslHmacChannelAuthenticator);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_SSL_HMAC_CHANNEL_AUTHENTICATOR_H_