chromium/content/test/data/accessibility/html/optgroup-expected-mac.txt

AXWebArea AXRoleDescription='HTML content'
++AXGroup AXRoleDescription='group'
++++AXList AXRoleDescription='list box'
++++++AXGroup AXSubrole=AXApplicationGroup AXDescription='Enabled' AXRoleDescription='group'
++++++++AXStaticText AXRoleDescription='text' AXValue='One'
++++++++AXStaticText AXRoleDescription='text' AXValue='Two'
++++++++AXStaticText AXRoleDescription='text' AXValue='Three'
++++++++AXStaticText AXRoleDescription='text' AXValue='Four'
++++++AXGroup AXSubrole=AXApplicationGroup AXDescription='Disabled' AXRoleDescription='group'
++++++++AXStaticText AXRoleDescription='text' AXValue='One'
++++++++AXStaticText AXRoleDescription='text' AXValue='Two'
++++++++AXStaticText AXRoleDescription='text' AXValue='Three'
++++++++AXStaticText AXRoleDescription='text' AXValue='Four'
++++AXPopUpButton AXRoleDescription='pop up button' AXValue='Random Transformer'
++++++AXMenuItem AXRoleDescription='menu item' AXValue='Random Transformer'