setVolume        2097 Source/core/html/HTMLMediaElement.cpp void HTMLMediaElement::setVolume(double vol, ExceptionState& exceptionState)
setVolume         274 Source/core/html/MediaController.cpp void MediaController::setVolume(double level, ExceptionState& exceptionState)
setVolume         453 Source/core/html/shadow/MediaControlElements.cpp void MediaControlVolumeSliderElement::setVolume(double volume)