chromium/content/test/data/accessibility/html/iframe-cross-process-expected-mac.txt

AXWebArea
++AXGroup
++++AXStaticText AXValue='Before frame'
++AXGroup
++++AXGroup AXDescription='Cross-process iframe'
++++++AXWebArea
++++++++AXGroup
++++++++++AXStaticText AXValue='Text in iframe'
++AXGroup
++++AXStaticText AXValue='After frame'