Use base::ResetAndReturn() in remoting.

remoting/protocol/ssl_hmac_channel_authenticator.cc

 // 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.
 
 #include "remoting/protocol/ssl_hmac_channel_authenticator.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/callback_helpers.h"
 #include "crypto/secure_util.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/cert/x509_certificate.h"
 #include "net/http/transport_security_state.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/socket/client_socket_handle.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/socket/ssl_client_socket_openssl.h"
@@ skipping 254 matching lines @@
   return crypto::SecureMemEqual(received_auth_bytes.data(),
                                 &(auth_bytes[0]), kAuthDigestLength);
 }
 
 void SslHmacChannelAuthenticator::CheckDone(bool* callback_called) {
   if (auth_write_buf_.get() == nullptr && auth_read_buf_.get() == nullptr) {
     DCHECK(socket_.get() != nullptr);
     if (callback_called)
       *callback_called = true;
 
-    CallDoneCallback(net::OK, socket_.Pass());
+    base::ResetAndReturn(&done_callback_).Run(net::OK, socket_.Pass());
   }
 }
 
 void SslHmacChannelAuthenticator::NotifyError(int error) {
-  CallDoneCallback(error, nullptr);
-}
-
-void SslHmacChannelAuthenticator::CallDoneCallback(
-    int error,
-    scoped_ptr<net::StreamSocket> socket) {
-  DoneCallback callback = done_callback_;
-  done_callback_.Reset();
-  callback.Run(error, socket.Pass());
+  base::ResetAndReturn(&done_callback_).Run(error, nullptr);
 }
 
 }  // namespace protocol
 }  // namespace remoting