Revert of Add TransportSession interface to prepare for WebRTC-based transport.

remoting/protocol/ice_transport_factory.cc

-// Copyright 2015 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/ice_transport_factory.h"
-
-#include "remoting/protocol/ice_transport_session.h"
-#include "remoting/protocol/libjingle_transport_factory.h"
-#include "third_party/webrtc/p2p/client/httpportallocator.h"
-
-namespace remoting {
-namespace protocol {
-
-IceTransportFactory::IceTransportFactory(
-    SignalStrategy* signal_strategy,
-    scoped_ptr<cricket::HttpPortAllocatorBase> port_allocator,
-    const NetworkSettings& network_settings,
-    TransportRole role)
-    : libjingle_transport_factory_(
-          new LibjingleTransportFactory(signal_strategy,
-                                        port_allocator.Pass(),
-                                        network_settings,
-                                        role)) {}
-IceTransportFactory::~IceTransportFactory() {}
-
-void IceTransportFactory::PrepareTokens() {
-  libjingle_transport_factory_->PrepareTokens();
-}
-
-scoped_ptr<TransportSession>
-IceTransportFactory::CreateTransportSession() {
-  return make_scoped_ptr(
-      new IceTransportSession(libjingle_transport_factory_.get()));
-}
-
-}  // namespace protocol
-}  // namespace remoting