Delete SignalThread class.

webrtc/p2p/base/turnport.h

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 252 matching lines @@
   // Reconstruct the URL of the server which the candidate is gathered from.
   std::string ReconstructedServerUrl();
 
   ProtocolAddress server_address_;
   TlsCertPolicy tls_cert_policy_ = TlsCertPolicy::TLS_CERT_POLICY_SECURE;
   RelayCredentials credentials_;
   AttemptedServerSet attempted_server_addresses_;
 
   rtc::AsyncPacketSocket* socket_;
   SocketOptionsMap socket_options_;
-  rtc::AsyncResolverInterface* resolver_;
+  std::unique_ptr<rtc::AsyncResolverInterface> resolver_;
   int error_;
 
   StunRequestManager request_manager_;
   std::string realm_;       // From 401/438 response message.
   std::string nonce_;       // From 401/438 response message.
   std::string hash_;        // Digest of username:realm:password
 
   int next_channel_number_;
   EntryList entries_;
 
@@ skipping 10 matching lines @@
   friend class TurnEntry;
   friend class TurnAllocateRequest;
   friend class TurnRefreshRequest;
   friend class TurnCreatePermissionRequest;
   friend class TurnChannelBindRequest;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_TURNPORT_H_