if (mContentViewer) { mContentViewer->SetEnableRendering(aRender);
if(eCharsetReloadRequested != mCharsetReloadState) { if (mContentViewer) { mContentViewer->SetEnableRendering(aRender); return NS_OK; }
nsWebShell::SetRendering(PRBool aRender){  if (mContentViewer) {    mContentViewer->SetEnableRendering(aRender);  }  return NS_OK;}