WindowObserver    440 content/browser/renderer_host/render_widget_host_view_aura.cc   explicit WindowObserver(RenderWidgetHostViewAura* view)
WindowObserver    445 content/browser/renderer_host/render_widget_host_view_aura.cc   virtual ~WindowObserver() {
WindowObserver    418 content/browser/web_contents/web_contents_view_aura.cc   virtual ~WindowObserver() {