mViewManager->UpdateView(this, nsnull, NS_VMREFRESH_IMMEDIATE);
mViewManager->UpdateView(this, NS_VMREFRESH_IMMEDIATE);
NS_IMETHODIMP CornerView::SetQuality(nsContentQuality aQuality){  if (mQuality != aQuality)  {    mQuality = aQuality;    if (mVis == nsViewVisibility_kShow)      mViewManager->UpdateView(this, nsnull, NS_VMREFRESH_IMMEDIATE);  }  return NS_OK;}