Merge "Remove an unnecessary sanity check"

     */

    public boolean postPointerEvent(MotionEvent event,

            int webKitXOffset, int webKitYOffset, float webKitScale) {

        if (event == null

                || (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) == 0) {

            throw new IllegalArgumentException("event must be a pointer event");

        if (event == null) {

            throw new IllegalArgumentException("event cannot be null");

        }

        if (DEBUG) {