Cast: Make vp8 3-buffer mode work

media/cast/net/rtp/framer.cc

Index: media/cast/net/rtp/framer.cc
diff --git a/media/cast/net/rtp/framer.cc b/media/cast/net/rtp/framer.cc
index c94dc0c7125802a1c651f9c8b6b3b3f24db8f236..dc26d1cbea94458caa1fed3cafcff50ace1efc36 100644
--- a/media/cast/net/rtp/framer.cc
+++ b/media/cast/net/rtp/framer.cc
@@ -83,11 +83,6 @@ bool Framer::GetEncodedFrame(EncodedFrame* frame,
     *next_frame = false;
   }
 
-  if (*next_frame) {
-    VLOG(2) << "ACK frame " << frame_id;
-    cast_msg_builder_->CompleteFrameReceived(frame_id);
-  }
-
   ConstFrameIterator it = frames_.find(frame_id);
   DCHECK(it != frames_.end());
   if (it == frames_.end())
@@ -96,6 +91,11 @@ bool Framer::GetEncodedFrame(EncodedFrame* frame,
   return it->second->AssembleEncodedFrame(frame);
 }
 
+void Framer::AckFrame(uint32 frame_id) {
+  VLOG(2) << "ACK frame " << frame_id;
+  cast_msg_builder_->CompleteFrameReceived(frame_id);
+}
+
 void Framer::Reset() {
   frame_id_map_.Clear();
   frames_.clear();