Make cricket::VideoCapturer implement VideoSourceInterface

webrtc/media/webrtc/webrtcvideocapturer.h

Index: webrtc/media/webrtc/webrtcvideocapturer.h
diff --git a/webrtc/media/webrtc/webrtcvideocapturer.h b/webrtc/media/webrtc/webrtcvideocapturer.h
index ef4dea48a176a733e3d90dc28987ee030708f2aa..4a046039262cb2c86874f727f9eca9fbc6de2103 100644
--- a/webrtc/media/webrtc/webrtcvideocapturer.h
+++ b/webrtc/media/webrtc/webrtcvideocapturer.h
@@ -50,15 +50,15 @@ class WebRtcVideoCapturer : public VideoCapturer,
   bool Init(webrtc::VideoCaptureModule* module);
 
   // Override virtual methods of the parent class VideoCapturer.
-  virtual bool GetBestCaptureFormat(const VideoFormat& desired,
-                                    VideoFormat* best_format);
-  virtual CaptureState Start(const VideoFormat& capture_format);
-  virtual void Stop();
-  virtual bool IsRunning();
-  virtual bool IsScreencast() const { return false; }
-  virtual bool SetApplyRotation(bool enable);
+  bool GetBestCaptureFormat(const VideoFormat& desired,
+                            VideoFormat* best_format) override;
+  CaptureState Start(const VideoFormat& capture_format) override;
+  void Stop() override;
+  bool IsRunning() override;
+  bool IsScreencast() const override { return false; }
 
  protected:
+  void OnSourceChangeRequested(const rtc::VideoSinkHints& hints) override;
   // Override virtual methods of the parent class VideoCapturer.
   virtual bool GetPreferredFourccs(std::vector<uint32_t>* fourccs);