The Buffer interface is no longer in use and can be removed. While doing so clean up the two odd names (dequeueFrameBuffer() and queuedFrameBuffers_) that had to be used when adding the FrameBuffer interface. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>