TrayWidgetObserver   59 ash/system/tray/tray_background_view.cc class TrayBackgroundView::TrayWidgetObserver : public views::WidgetObserver {
TrayWidgetObserver   78 ash/system/tray/tray_background_view.cc   DISALLOW_COPY_AND_ASSIGN(TrayWidgetObserver);
TrayWidgetObserver  330 ash/system/tray/tray_background_view.cc       widget_observer_(new TrayWidgetObserver(this)) {
TrayWidgetObserver  149 ash/system/tray/tray_background_view.h   class TrayWidgetObserver;
TrayWidgetObserver  178 ash/system/tray/tray_background_view.h   scoped_ptr<TrayWidgetObserver> widget_observer_;