void WebContents::SetContentsBounds(content::WebContents* source,
                                    const gfx::Rect& rect) {
  for (ExtendedWebContentsObserver& observer : observers_)
    observer.OnSetContentBounds(rect);
}
void WebContents::SetContentsBounds(content::WebContents* source,
                                    const gfx::Rect& rect) {
  for (ExtendedWebContentsObserver& observer : observers_)
    observer.OnSetContentBounds(rect);
}