Adding support for MediaStream and PeerConnection functionality

content/renderer/media/media_stream_dependency_factory.h

+// Copyright (c) 2011 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 CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DEPENDENCY_FACTORY_H_
+#define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DEPENDENCY_FACTORY_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "third_party/libjingle/source/talk/app/webrtc/peerconnectionfactory.h"
+
+namespace content {
+class IpcNetworkManager;
+class IpcPacketSocketFactory;
+class P2PSocketDispatcher;
+}
+
+namespace cricket {
+class HttpPortAllocator;
+class MediaEngineInterface;
+class PortAllocator;
+class WebRtcMediaEngine;
+}
+
+namespace talk_base {
+class NetworkManager;
+class PacketSocketFactory;
+class Thread;
+}
+
+namespace webrtc {
+class PeerConnection;
+class VideoCaptureModule;
+}
+
+class VideoCaptureImplManager;
+
+// A factory for creating different objects for MediaStreamImpl.
+class MediaStreamDependencyFactory {
+ public:
+  MediaStreamDependencyFactory() {}
+  virtual ~MediaStreamDependencyFactory() {}
+
+  virtual cricket::WebRtcMediaEngine* CreateWebRtcMediaEngine();
+  virtual bool CreatePeerConnectionFactory(
+      cricket::PortAllocator* port_allocator,
+      cricket::MediaEngineInterface* media_engine,
+      talk_base::Thread* worker_thread);
+  virtual void DeletePeerConnectionFactory();
+  virtual bool PeerConnectionFactoryCreated();
+  virtual webrtc::PeerConnection* CreatePeerConnection(
+      talk_base::Thread* signaling_thread);
+
+ private:
+  scoped_ptr<webrtc::PeerConnectionFactory> pc_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(MediaStreamDependencyFactory);
+};
+
+#endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DEPENDENCY_FACTORY_H_