GetVolumeControlDelegate  263 ash/system/tray/default_system_tray_delegate.cc VolumeControlDelegate* DefaultSystemTrayDelegate::GetVolumeControlDelegate()
GetVolumeControlDelegate  876 chrome/browser/ui/ash/system_tray_delegate_chromeos.cc SystemTrayDelegateChromeOS::GetVolumeControlDelegate() const {
GetVolumeControlDelegate  262 chrome/browser/ui/ash/system_tray_delegate_win.cc   GetVolumeControlDelegate() const OVERRIDE {