Fix "unused variable" warnings.

remoting/signaling/xmpp_signal_strategy.cc

 // Copyright 2014 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/signaling/xmpp_signal_strategy.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 105 matching lines @@
   net::ClientSocketFactory* socket_factory_;
   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
   XmppServerConfig xmpp_server_config_;
 
   // Used by the |socket_|.
   std::unique_ptr<net::CertVerifier> cert_verifier_;
   std::unique_ptr<net::TransportSecurityState> transport_security_state_;
 
   std::unique_ptr<net::StreamSocket> socket_;
   std::unique_ptr<BufferedSocketWriter> writer_;
-  int pending_writes_ = 0;
   scoped_refptr<net::IOBuffer> read_buffer_;
   bool read_pending_ = false;
 
   TlsState tls_state_ = TlsState::NOT_REQUESTED;
 
   std::unique_ptr<XmppLoginHandler> login_handler_;
   std::unique_ptr<XmppStreamParser> stream_parser_;
   std::string jid_;
 
   Error error_ = OK;
@@ skipping 397 matching lines @@
 std::string XmppSignalStrategy::GetNextId() {
   return base::Uint64ToString(base::RandUint64());
 }
 
 void XmppSignalStrategy::SetAuthInfo(const std::string& username,
                                      const std::string& auth_token) {
   core_->SetAuthInfo(username, auth_token);
 }
 
 }  // namespace remoting