NS_IMETHODIMP imgRequest::OnStartFrame(imgIRequest *request, gfxIImageFrame *frame)
void imgRequestProxy::OnStartFrame(gfxIImageFrame *frame)
NS_IMETHODIMP imgRequest::OnStartFrame(imgIRequest *request,                                       gfxIImageFrame *frame){  LOG_SCOPE(gImgLog, "imgRequest::OnStartFrame");  PRInt32 count = mObservers.Count();  for (PRInt32 i = 0; i < count; i++) {    imgRequestProxy *proxy = NS_STATIC_CAST(imgRequestProxy*, mObservers[i]);    if (proxy) proxy->OnStartFrame(frame);    // If this assertion fires, it means that imgRequest notifications could    // be dropped!    NS_ASSERTION(count == mObservers.Count(),                  "The observer list changed while being iterated over!");  }  return NS_OK;}