[Mojo Video Capture] Replace const scoped_refptr<T>& with scoped_refptr<T> and use std::move

media/capture/video/video_capture_device.h

Index: media/capture/video/video_capture_device.h
diff --git a/media/capture/video/video_capture_device.h b/media/capture/video/video_capture_device.h
index 24d6c369231c653f492fe908dee0354a05d5c7b3..000b0febdb94c274900fd734eaf616fecde209ba 100644
--- a/media/capture/video/video_capture_device.h
+++ b/media/capture/video/video_capture_device.h
@@ -119,7 +119,7 @@ class CAPTURE_EXPORT VideoCaptureDevice {
         base::TimeDelta timestamp) = 0;
     virtual void OnIncomingCapturedVideoFrame(
         std::unique_ptr<Buffer> buffer,
-        const scoped_refptr<VideoFrame>& frame) = 0;
+        scoped_refptr<VideoFrame> frame) = 0;
 
     // Attempts to reserve the same Buffer provided in the last call to one of
     // the OnIncomingCapturedXXX() methods. This will fail if the content of the