Add TransportContext class.

remoting/protocol/chromium_port_allocator_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/chromium_port_allocator_factory.h"
-
-#include "base/logging.h"
-#include "net/url_request/url_request_context_getter.h"
-#include "remoting/protocol/chromium_port_allocator.h"
-#include "remoting/protocol/network_settings.h"
-
-namespace remoting {
-namespace protocol {
-
-ChromiumPortAllocatorFactory::ChromiumPortAllocatorFactory(
-    const NetworkSettings& network_settings,
-    scoped_refptr<net::URLRequestContextGetter> url_request_context_getter)
-    : network_settings_(network_settings),
-      url_request_context_getter_(url_request_context_getter) {}
-
-ChromiumPortAllocatorFactory::~ChromiumPortAllocatorFactory() {}
-
-scoped_ptr<PortAllocatorFactory> ChromiumPortAllocatorFactory::Create(
-    const NetworkSettings& network_settings,
-    scoped_refptr<net::URLRequestContextGetter> url_request_context_getter) {
-  return scoped_ptr<PortAllocatorFactory>(new ChromiumPortAllocatorFactory(
-      network_settings, url_request_context_getter));
-}
-
-cricket::PortAllocator* ChromiumPortAllocatorFactory::CreatePortAllocator() {
-  scoped_ptr<ChromiumPortAllocator> port_allocator(
-      ChromiumPortAllocator::Create(url_request_context_getter_,
-                                    network_settings_));
-  return port_allocator.release();
-}
-
-}  // namespace protocol
-}  // namespace remoting
-