Verify returned frames from media::VideoFrame::Wrap*() methods

media/cast/test/fake_media_source.cc

Index: media/cast/test/fake_media_source.cc
diff --git a/media/cast/test/fake_media_source.cc b/media/cast/test/fake_media_source.cc
index 8e411bb0dd2155b86ee5cca53df97a9eef97493b..7d58a4c391c093a604860f45c6fe780cf274c35f 100644
--- a/media/cast/test/fake_media_source.cc
+++ b/media/cast/test/fake_media_source.cc
@@ -557,10 +557,14 @@ void FakeMediaSource::DecodeVideo(ScopedAVPacket packet) {
     video_first_pts_ = avframe->pkt_pts - adjustment_pts;
   }
 
-  video_frame_queue_.push(VideoFrame::WrapExternalYuvData(
-      media::PIXEL_FORMAT_YV12, size, gfx::Rect(size), size,
-      avframe->linesize[0], avframe->linesize[1], avframe->linesize[2],
-      avframe->data[0], avframe->data[1], avframe->data[2], timestamp));
+  scoped_refptr<media::VideoFrame> video_frame =
+      VideoFrame::WrapExternalYuvData(
+          media::PIXEL_FORMAT_YV12, size, gfx::Rect(size), size,
+          avframe->linesize[0], avframe->linesize[1], avframe->linesize[2],
+          avframe->data[0], avframe->data[1], avframe->data[2], timestamp);
+  if (!video_frame)
+    return;
+  video_frame_queue_.push(video_frame);
   video_frame_queue_.back()->AddDestructionObserver(
       base::Bind(&AVFreeFrame, avframe));
   last_video_frame_timestamp_ = timestamp;