OnWidgetVisibilityChanging   44 ui/views/bubble/bubble_delegate.h   virtual void OnWidgetVisibilityChanging(Widget* widget, bool visible)
OnWidgetVisibilityChanging 1022 ui/views/widget/widget.cc                     OnWidgetVisibilityChanging(this, visible));
OnWidgetVisibilityChanging   39 ui/views/widget/widget_observer.h   virtual void OnWidgetVisibilityChanging(Widget* widget, bool visible) {}