RenderViewGone    137 content/public/renderer/render_view_observer.h   void RenderViewGone();
RenderViewGone    880 content/renderer/render_view_impl.cc   FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
RenderViewGone    969 content/renderer/render_view_impl.cc   observer->RenderViewGone();