Add delay in FFmpegVideoDecoder::Decode().

media/filters/video_renderer_impl.cc

Index: media/filters/video_renderer_impl.cc
diff --git a/media/filters/video_renderer_impl.cc b/media/filters/video_renderer_impl.cc
index 73419c677dff2952c1718678fc66d079bd262de2..4fd3bbe936b4b80d3b7e6c7df75ceb2997e6bbf3 100644
--- a/media/filters/video_renderer_impl.cc
+++ b/media/filters/video_renderer_impl.cc
@@ -267,6 +267,7 @@ void VideoRendererImpl::PaintNextReadyFrame_Locked() {
 }
 
 void VideoRendererImpl::DropNextReadyFrame_Locked() {
+  DVLOG(2) << __FUNCTION__;
   TRACE_EVENT0("media", "VideoRendererImpl:frameDropped");
 
   lock_.AssertAcquired();
@@ -283,6 +284,7 @@ void VideoRendererImpl::DropNextReadyFrame_Locked() {
 
 void VideoRendererImpl::FrameReady(VideoFrameStream::Status status,
                                    const scoped_refptr<VideoFrame>& frame) {
+  DVLOG(2) << __FUNCTION__;
   base::AutoLock auto_lock(lock_);
   DCHECK_NE(state_, kUninitialized);
   DCHECK_NE(state_, kFlushed);