rootWebArea
++paragraph
++++staticText name='Before frame'
++++++inlineTextBox name='Before frame'
++div
++++iframe name='Cross-process iframe'
++++++rootWebArea
++++++++group
++++++++++staticText name='Text in iframe'
++++++++++++inlineTextBox name='Text in iframe'
++paragraph
++++staticText name='After frame'
++++++inlineTextBox name='After frame'