function deviceSelected()
    {
        updateButtons();

        if (deviceSelectElement.selectedIndex === 0)
            return;

        var option = deviceSelectElement.options[deviceSelectElement.selectedIndex];
        emulatedSettingChangedMuted.muted = true;
        WebInspector.overridesSupport.emulateDevice(option.device);
        emulatedSettingChangedMuted.muted = false;
    }
@param {function(function(string))=} titleProvider
@return {!Element}