ShouldHideArrow    50 ash/system/audio/tray_audio.h   virtual bool ShouldHideArrow() const OVERRIDE;
ShouldHideArrow    45 ash/system/chromeos/brightness/tray_brightness.h   virtual bool ShouldHideArrow() const OVERRIDE;
ShouldHideArrow   492 ash/system/tray/system_tray.cc     if (items.size() == 1 && items[0]->ShouldHideArrow())
ShouldHideArrow    98 ash/system/tray/system_tray_item.h   virtual bool ShouldHideArrow() const;