Define Stream base classes

webrtc/video/video_receive_stream.h

Index: webrtc/video/video_receive_stream.h
diff --git a/webrtc/video/video_receive_stream.h b/webrtc/video/video_receive_stream.h
index e9df849c0cb741e33dd583655a11bd87c023cf55..4a4f9db944a04591414d8b9585fd2d1390cd8422 100644
--- a/webrtc/video/video_receive_stream.h
+++ b/webrtc/video/video_receive_stream.h
@@ -44,11 +44,17 @@ class VideoReceiveStream : public webrtc::VideoReceiveStream,
                      const VideoReceiveStream::Config& config,
                      newapi::Transport* transport,
                      webrtc::VoiceEngine* voice_engine);
-  virtual ~VideoReceiveStream();
+  ~VideoReceiveStream() override;
 
+  // webrtc::ReceiveStream implementation.
   void Start() override;
   void Stop() override;
-  Stats GetStats() const override;
+  void SignalNetworkState(NetworkState state) override;
+  bool DeliverRtcp(const uint8_t* packet, size_t length) override;
+  bool DeliverRtp(const uint8_t* packet, size_t length) override;
+
+  // webrtc::VideoReceiveStream implementation.
+  webrtc::VideoReceiveStream::Stats GetStats() const override;
 
   // Overrides I420FrameCallback.
   void FrameCallback(VideoFrame* video_frame) override;
@@ -57,11 +63,6 @@ class VideoReceiveStream : public webrtc::VideoReceiveStream,
   int RenderFrame(const uint32_t /*stream_id*/,
                   const VideoFrame& video_frame) override;
 
-  void SignalNetworkState(Call::NetworkState state);
-
-  bool DeliverRtcp(const uint8_t* packet, size_t length);
-  bool DeliverRtp(const uint8_t* packet, size_t length);
-
  private:
   void SetRtcpMode(newapi::RtcpMode mode);