HandleVolumeMute 1007 ash/accelerators/accelerator_controller.cc return volume_delegate && volume_delegate->HandleVolumeMute(accelerator); HandleVolumeMute 19 ash/volume_control_delegate.h virtual bool HandleVolumeMute(const ui::Accelerator& accelerator) = 0; HandleVolumeMute 74 chrome/browser/ui/ash/volume_controller_browsertest_chromeos.cc volume_controller_->HandleVolumeMute(ui::Accelerator()); HandleVolumeMute 22 chrome/browser/ui/ash/volume_controller_chromeos.h virtual bool HandleVolumeMute(const ui::Accelerator& accelerator) OVERRIDE;