Replace SetCapturer and SetCaptureDevice by SetSource.

webrtc/media/base/videocapturer.h

Index: webrtc/media/base/videocapturer.h
diff --git a/webrtc/media/base/videocapturer.h b/webrtc/media/base/videocapturer.h
index ac2bee2b3092b85534dfd0dc2416cbfd12df5f7a..62d1197ac0b5099421e3fd5b5b0eb58a7659a6f0 100644
--- a/webrtc/media/base/videocapturer.h
+++ b/webrtc/media/base/videocapturer.h
@@ -218,10 +218,6 @@ class VideoCapturer : public sigslot::has_slots<>,
   // Takes ownership.
   void set_frame_factory(VideoFrameFactory* frame_factory);
 
-  // TODO(nisse): Rename function? Or pass the frame format before
-  // adaptation in some other way.
-  void GetStats(VideoFormat* last_captured_frame_format);
-
   // Implements VideoSourceInterface
   void AddOrUpdateSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink,
                        const rtc::VideoSinkWants& wants) override;
@@ -289,8 +285,6 @@ class VideoCapturer : public sigslot::has_slots<>,
   // Returns true if format doesn't fulfill all applied restrictions.
   bool ShouldFilterFormat(const VideoFormat& format) const;
 
-  void UpdateStats(const CapturedFrame* captured_frame);
-
   rtc::ThreadChecker thread_checker_;
   std::string id_;
   CaptureState capture_state_;
@@ -311,11 +305,6 @@ class VideoCapturer : public sigslot::has_slots<>,
   bool enable_video_adapter_;
   CoordinatedVideoAdapter video_adapter_;
 
-  rtc::CriticalSection frame_stats_crit_;
-
-  // The captured frame format before potential adapation.
-  VideoFormat last_captured_frame_format_;
-
   // Whether capturer should apply rotation to the frame before signaling it.
   bool apply_rotation_;