8179889: Fix typographic errors in copyright headers
Reviewed-by: erikj, dholmes

8078614: WindowsClassicLookAndFeel MetalComboBoxUI.getbaseLine fails with IllegalArgumentException
Reviewed-by: serb, azvegint, alexsch
Contributed-by: Victor Dyakov <victor.dyakov@oracle.com>

6632953: MetalComboBoxUI.getBaseline(JComponent, int, int) throws IAE for valid width/height
Reviewed-by: rupashka