Remove implicit conversions from scoped_refptr to T* in content/renderer/media/

content/renderer/media/media_stream_video_track.cc

Index: content/renderer/media/media_stream_video_track.cc
diff --git a/content/renderer/media/media_stream_video_track.cc b/content/renderer/media/media_stream_video_track.cc
index 47677d9128c8cbd65cf6a9179645a176fa2a1a75..1fc2df2463adab51606d8d5d2d4628a1f141221b 100644
--- a/content/renderer/media/media_stream_video_track.cc
+++ b/content/renderer/media/media_stream_video_track.cc
@@ -78,7 +78,7 @@ MediaStreamVideoTrack::FrameDeliverer::FrameDeliverer(
     const scoped_refptr<base::MessageLoopProxy>& io_message_loop, bool enabled)
     : io_message_loop_(io_message_loop),
       enabled_(enabled) {
-  DCHECK(io_message_loop_);
+  DCHECK(io_message_loop_.get());
 }
 
 MediaStreamVideoTrack::FrameDeliverer::~FrameDeliverer() {
@@ -160,7 +160,7 @@ const scoped_refptr<media::VideoFrame>&
 MediaStreamVideoTrack::FrameDeliverer::GetBlackFrame(
     const scoped_refptr<media::VideoFrame>& reference_frame) {
   DCHECK(io_message_loop_->BelongsToCurrentThread());
-  if (!black_frame_ ||
+  if (!black_frame_.get() ||
       black_frame_->natural_size() != reference_frame->natural_size())
     black_frame_ =
         media::VideoFrame::CreateBlackFrame(reference_frame->natural_size());