remoting: Cleanup class/struct fwd declarations

remoting/protocol/webrtc_video_stream.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_WEBRTC_VIDEO_STREAM_H_
 #define REMOTING_PROTOCOL_WEBRTC_VIDEO_STREAM_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_checker.h"
 #include "remoting/codec/webrtc_video_encoder.h"
 #include "remoting/protocol/host_video_stats_dispatcher.h"
 #include "remoting/protocol/video_stream.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
 
 namespace webrtc {
 class MediaStreamInterface;
 class PeerConnectionInterface;
-class PeerConnectionFactoryInterface;
-class VideoTrackInterface;
 }  // namespace webrtc
 
 namespace remoting {
 namespace protocol {
 
 class HostVideoStatsDispatcher;
 class WebrtcFrameScheduler;
 class WebrtcTransport;
-class WebrtcVideoCapturerAdapter;
 
 class WebrtcVideoStream : public VideoStream,
                           public webrtc::DesktopCapturer::Callback,
                           public HostVideoStatsDispatcher::EventHandler {
  public:
   WebrtcVideoStream();
   ~WebrtcVideoStream() override;
 
   void Start(std::unique_ptr<webrtc::DesktopCapturer> desktop_capturer,
              WebrtcTransport* webrtc_transport,
@@ skipping 59 matching lines @@
 
   base::WeakPtrFactory<WebrtcVideoStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebrtcVideoStream);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_WEBRTC_VIDEO_STREAM_H_