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

AXWebArea
++AXGroup
++++AXGroup AXSubrole=AXApplicationGroup AXDescription='Browser Engines:'
++++++AXGroup
++++++++AXStaticText AXValue='Browser Engines:'
++++++AXStaticText AXValue='Browser: '
++++++AXTextField
++++++AXStaticText AXValue=' Rendering Engine: '
++++++AXTextField