Use UrlRequest in PortAllocator.

remoting/protocol/port_allocator_base.h

-// Copyright 2016 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_PORT_ALLOCATOR_BASE_H_
-#define REMOTING_PROTOCOL_PORT_ALLOCATOR_BASE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/memory/weak_ptr.h"
-#include "third_party/webrtc/p2p/client/basicportallocator.h"
-
-namespace remoting {
-namespace protocol {
-
-class TransportContext;
-
-class PortAllocatorBase : public cricket::BasicPortAllocator {
- public:
-  // The number of HTTP requests we should attempt before giving up.
-  static const int kNumRetries;
-
-  PortAllocatorBase(scoped_ptr<rtc::NetworkManager> network_manager,
-                    scoped_ptr<rtc::PacketSocketFactory> socket_factory,
-                    scoped_refptr<TransportContext> transport_context);
-  ~PortAllocatorBase() override;
-
-  scoped_refptr<TransportContext> transport_context() {
-    return transport_context_;
-  }
-
-  // CreateSession is defined in cricket::BasicPortAllocator but is
-  // redefined here as pure virtual.
-  cricket::PortAllocatorSession* CreateSessionInternal(
-      const std::string& content_name,
-      int component,
-      const std::string& ice_ufrag,
-      const std::string& ice_pwd) override = 0;
-
- private:
-  scoped_ptr<rtc::NetworkManager> network_manager_;
-  scoped_ptr<rtc::PacketSocketFactory> socket_factory_;
-  scoped_refptr<TransportContext> transport_context_;
-};
-
-class PortAllocatorSessionBase : public cricket::BasicPortAllocatorSession {
- public:
-  PortAllocatorSessionBase(PortAllocatorBase* allocator,
-                           const std::string& content_name,
-                           int component,
-                           const std::string& ice_ufrag,
-                           const std::string& ice_pwd);
-  ~PortAllocatorSessionBase() override;
-
-  virtual void SendSessionRequest(const std::string& host) = 0;
-  void ReceiveSessionResponse(const std::string& response);
-
- protected:
-  std::string GetSessionRequestUrl();
-
-  void GetPortConfigurations() override;
-  void OnJingleInfo(std::vector<rtc::SocketAddress> stun_hosts,
-                    std::vector<std::string> relay_hosts,
-                    std::string relay_token);
-  void TryCreateRelaySession();
-
-  const std::string& relay_token() const { return relay_token_; }
-
- private:
-  scoped_refptr<TransportContext> transport_context_;
-
-  std::vector<rtc::SocketAddress> stun_hosts_;
-  std::vector<std::string> relay_hosts_;
-  std::string relay_token_;
-
-  int attempts_ = 0;
-
-  base::WeakPtrFactory<PortAllocatorSessionBase> weak_factory_;
-};
-
-}  // namespace protocol
-}  // namespace remoting
-
-#endif  // REMOTING_PROTOCOL_PORT_ALLOCATOR_BASE_H_