Avoid using MakeExclusive, which is going to be deleted in webrtc.

remoting/protocol/webrtc_video_capturer_adapter.h

Index: remoting/protocol/webrtc_video_capturer_adapter.h
diff --git a/remoting/protocol/webrtc_video_capturer_adapter.h b/remoting/protocol/webrtc_video_capturer_adapter.h
index add16036db2efff5647733d59e686fc0f76025f2..c76a8c6a2deb340a4a48c6579246fb1090f1b496 100644
--- a/remoting/protocol/webrtc_video_capturer_adapter.h
+++ b/remoting/protocol/webrtc_video_capturer_adapter.h
@@ -83,7 +83,7 @@ class WebrtcVideoCapturerAdapter : public cricket::VideoCapturer,
 
   // Video frame is kept between captures to avoid YUV conversion for static
   // parts of the screen.
-  scoped_ptr<cricket::VideoFrame> yuv_frame_;
+  rtc::scoped_refptr<webrtc::I420Buffer> yuv_frame_;
 
   bool capture_pending_ = false;
 
@@ -96,4 +96,3 @@ class WebrtcVideoCapturerAdapter : public cricket::VideoCapturer,
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_
-