Add TransportContext class.

remoting/protocol/chromium_port_allocator_factory.h

-// 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.
-
-#ifndef REMOTING_PROTOCOL_CHROMIUM_PORT_ALLOCATOR_FACTORY_H_
-#define REMOTING_PROTOCOL_CHROMIUM_PORT_ALLOCATOR_FACTORY_H_
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "remoting/protocol/network_settings.h"
-#include "remoting/protocol/port_allocator_factory.h"
-
-namespace net {
-class URLRequestContextGetter;
-}  // namespace net
-
-namespace remoting {
-namespace protocol {
-
-class ChromiumPortAllocatorFactory : public PortAllocatorFactory {
- public:
-  static scoped_ptr<PortAllocatorFactory> Create(
-      const NetworkSettings& network_settings,
-      scoped_refptr<net::URLRequestContextGetter> url_request_context_getter);
-
-  // PortAllocatorFactory implementation.
-  cricket::PortAllocator* CreatePortAllocator() override;
-
- protected:
-  ChromiumPortAllocatorFactory(
-      const NetworkSettings& network_settings,
-      scoped_refptr<net::URLRequestContextGetter> url_request_context_getter);
-  ~ChromiumPortAllocatorFactory() override;
-
- private:
-  NetworkSettings network_settings_;
-  scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromiumPortAllocatorFactory);
-};
-
-}  // namespace protocol
-}  // namespace remoting
-
-#endif  // REMOTING_PROTOCOL_CHROMIUM_PORT_ALLOCATOR_FACTORY_H_
-