overscanCalibrationStart method
Starts overscan calibration for a display. This will show an overlay on the screen indicating the current overscan insets. If overscan calibration for display |id| is in progress this will reset calibration. |id|: The display's unique identifier.
Implementation
void overscanCalibrationStart(String id) {
$js.chrome.system.display.overscanCalibrationStart(id);
}