Update VideoFrameBuffer-related methods to not use references to scoped_refptr.

webrtc/modules/video_coding/codecs/test/videoprocessor.cc

Index: webrtc/modules/video_coding/codecs/test/videoprocessor.cc
diff --git a/webrtc/modules/video_coding/codecs/test/videoprocessor.cc b/webrtc/modules/video_coding/codecs/test/videoprocessor.cc
index 8436eb00425e02f5cf2d7eb5911ccca7aac895f0..3f1a4371d8ea85973ce76cf8b4907841c571e0dd 100644
--- a/webrtc/modules/video_coding/codecs/test/videoprocessor.cc
+++ b/webrtc/modules/video_coding/codecs/test/videoprocessor.cc
@@ -334,7 +334,7 @@ void VideoProcessorImpl::FrameDecoded(const VideoFrame& image) {
                            config_.codec_settings->height));
 
     // Should be the same aspect ratio, no cropping needed.
-    up_image->ScaleFrom(image.video_frame_buffer());
+    up_image->ScaleFrom(*image.video_frame_buffer());
 
     // TODO(mikhal): Extracting the buffer for now - need to update test.
     size_t length =