Always use chromium threads for IO in remoting host

remoting/jingle_glue/xmpp_socket_adapter.h

-// Copyright (c) 2011 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_JINGLE_GLUE_XMPP_SOCKET_ADAPTER_H_
-#define REMOTING_JINGLE_GLUE_XMPP_SOCKET_ADAPTER_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "third_party/libjingle/source/talk/base/asyncsocket.h"
-#include "third_party/libjingle/source/talk/xmpp/asyncsocket.h"
-#include "third_party/libjingle/source/talk/xmpp/xmppclientsettings.h"
-#include "third_party/libjingle/source/talk/xmpp/xmppengine.h"
-
-#ifndef _WIN32
-// Additional errors used by us from Win32 headers.
-#define SEC_E_CERT_EXPIRED static_cast<int>(0x80090328L)
-#define WSA_NOT_ENOUGH_MEMORY ENOMEM
-#endif
-
-namespace remoting {
-
-class XmppSocketAdapter : public buzz::AsyncSocket,
-                          public sigslot::has_slots<> {
- public:
-  XmppSocketAdapter(const buzz::XmppClientSettings& xcs,
-                    bool allow_unverified_certs);
-  virtual ~XmppSocketAdapter();
-
-  virtual State state() OVERRIDE;
-  virtual Error error() OVERRIDE;
-  virtual int GetError() OVERRIDE;
-
-  void set_firewall(bool firewall) { firewall_ = firewall; }
-
-  virtual bool Connect(const talk_base::SocketAddress& addr) OVERRIDE;
-  virtual bool Read(char* data, size_t len, size_t* len_read) OVERRIDE;
-  virtual bool Write(const char* data, size_t len) OVERRIDE;
-  virtual bool Close() OVERRIDE;
-
-#if defined(FEATURE_ENABLE_SSL)
-  virtual bool StartTls(const std::string& domainname) OVERRIDE;
-  bool IsOpen() const { return state_ == STATE_OPEN
-                            || state_ == STATE_TLS_OPEN; }
-#else
-  bool IsOpen() const { return state_ == STATE_OPEN; }
-#endif
-
-  sigslot::signal0<> SignalAuthenticationError;
-
- private:
-  // Return false if the socket is closed.
-  bool HandleReadable();
-  bool HandleWritable();
-
-  State state_;
-  Error error_;
-  int wsa_error_;
-
-  talk_base::AsyncSocket* socket_;
-  cricket::ProtocolType protocol_;
-  talk_base::ProxyInfo proxy_;
-  bool firewall_;
-  char* write_buffer_;
-  size_t write_buffer_length_;
-  size_t write_buffer_capacity_;
-  bool allow_unverified_certs_;
-
-  bool FreeState();
-  void NotifyClose();
-
-  void OnReadEvent(talk_base::AsyncSocket* socket);
-  void OnWriteEvent(talk_base::AsyncSocket* socket);
-  void OnConnectEvent(talk_base::AsyncSocket* socket);
-  void OnCloseEvent(talk_base::AsyncSocket* socket, int error);
-
-  void QueueWriteData(const char* data, size_t len);
-  void FlushWriteQueue(Error* error, int* wsa_error);
-
-  void SetError(Error error);
-  void SetWSAError(int error);
-  DISALLOW_COPY_AND_ASSIGN(XmppSocketAdapter);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_JINGLE_GLUE_XMPP_SOCKET_ADAPTER_H_