Adding OrtcFactory, and changing UdpTransport to match current plan.

webrtc/p2p/base/udptransportchannel.h

Index: webrtc/p2p/base/udptransportchannel.h
diff --git a/webrtc/p2p/base/udptransportchannel.h b/webrtc/p2p/base/udptransportchannel.h
deleted file mode 100644
index 2152fb7308046cd21f31e30947bd2d407d93687c..0000000000000000000000000000000000000000
--- a/webrtc/p2p/base/udptransportchannel.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- *  Copyright 2016 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.
- */
-
-#ifndef WEBRTC_P2P_BASE_UDPTRANSPORTCHANNEL_H_
-#define WEBRTC_P2P_BASE_UDPTRANSPORTCHANNEL_H_
-
-#include <memory>
-#include <string>
-
-#include "webrtc/base/optional.h"
-#include "webrtc/base/thread_checker.h"
-#include "webrtc/p2p/base/packettransportinterface.h"
-
-namespace rtc {
-class AsyncPacketSocket;
-class PhysicalSocketServer;
-class SocketAddress;
-class SocketServer;
-class Thread;
-}
-
-namespace cricket {
-
-class UdpTransportChannel : public rtc::PacketTransportInterface {
- public:
-  enum class State { INIT, CONNECTING, CONNECTED, FAILED };
-  explicit UdpTransportChannel(const std::string& transport_name);
-  UdpTransportChannel(const std::string& transport_name, rtc::SocketServer* ss);
-  ~UdpTransportChannel();
-
-  const std::string debug_name() const override { return transport_name_; }
-
-  bool receiving() const override {
-    // TODO(johan): Implement method and signal.
-    return true;
-  }
-
-  bool writable() const override;
-
-  int SendPacket(const char* data,
-                 size_t len,
-                 const rtc::PacketOptions& options,
-                 int flags) override;
-
-  int SetOption(rtc::Socket::Option opt, int value) override { return 0; }
-
-  int GetError() override { return send_error_; }
-
-  State state() const {
-    RTC_DCHECK_RUN_ON(&network_thread_checker_);
-    return state_;
-  }
-
-  // Start() makes UdpTransportChannel transition from state INIT to CONNECTING.
-  // It creates the local UDP socket and binds it to a port.
-  // Consider checking state() after calling Start().
-  void Start();
-
-  void SetRemoteParameters(const rtc::SocketAddress& remote);
-
-  // Returned optional does not have a value if in the INIT or FAILED state.
-  // Consider checking state() before calling local_parameters().
-  rtc::Optional<rtc::SocketAddress> local_parameters() const {
-    return local_parameters_;
-  }
-
- private:
-  void OnSocketReadPacket(rtc::AsyncPacketSocket* socket,
-                          const char* data,
-                          size_t len,
-                          const rtc::SocketAddress& remote_addr,
-                          const rtc::PacketTime& packet_time);
-  void OnSocketSentPacket(rtc::AsyncPacketSocket* socket,
-                          const rtc::SentPacket& packet);
-  void SetState(State state);  // Set State and Signal.
-  bool IsLocalConsistent();
-  void UpdateState();
-  std::string transport_name_;
-  rtc::SocketServer* socket_server_;
-  State state_ = State::INIT;
-  int send_error_ = 0;
-  std::unique_ptr<rtc::AsyncPacketSocket> socket_;
-  rtc::Optional<rtc::SocketAddress> local_parameters_;
-  rtc::Optional<rtc::SocketAddress> remote_parameters_;
-  rtc::ThreadChecker network_thread_checker_;
-};
-}  // namespace cricket
-
-#endif  // WEBRTC_P2P_BASE_UDPTRANSPORTCHANNEL_H_