SetDrawBackgroundAsActive  515 ash/system/tray/system_tray.cc     SetDrawBackgroundAsActive(true);
SetDrawBackgroundAsActive  708 ash/system/tray/system_tray.cc     SetDrawBackgroundAsActive(false);
SetDrawBackgroundAsActive  128 ash/system/tray/tray_background_view.h   void SetDrawBackgroundAsActive(bool visible);
SetDrawBackgroundAsActive  384 ash/system/web_notification/web_notification_tray.cc   SetDrawBackgroundAsActive(true);
SetDrawBackgroundAsActive  395 ash/system/web_notification/web_notification_tray.cc   SetDrawBackgroundAsActive(false);