Move direct use of VideoCapturer::VideoAdapter to VideoSinkWants.

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 543af026c04f25423a79d8d309cd7f35a019acd2..b0835f746cb6162bf937a83d035a266dbec443bd 100644
--- a/webrtc/media/base/videocapturer.h
+++ b/webrtc/media/base/videocapturer.h
@@ -246,11 +246,6 @@ class VideoCapturer : public sigslot::has_slots<>,
     enable_video_adapter_ = enable_video_adapter;
   }
 
-  CoordinatedVideoAdapter* video_adapter() { return &video_adapter_; }
-  const CoordinatedVideoAdapter* video_adapter() const {
-    return &video_adapter_;
-  }
-
   // Takes ownership.
   void set_frame_factory(VideoFrameFactory* frame_factory);
 
@@ -286,6 +281,8 @@ class VideoCapturer : public sigslot::has_slots<>,
   // TODO(perkj): Remove once SignalVideoFrame is removed.
   void OnFrame(VideoCapturer* capturer, const VideoFrame* frame);
 
+  CoordinatedVideoAdapter* video_adapter() { return &video_adapter_; }
+
   void SetCaptureState(CaptureState state);
 
   // Marshals SignalStateChange onto thread_.