ROLE_SYSTEM_DOCUMENT parent='ROLE_SYSTEM_WINDOW' window_class='Chrome_RenderWidgetHostHWND' READONLY FOCUSABLE ia2_hypertext='<obj0>'
++IA2_ROLE_SECTION parent='ROLE_SYSTEM_DOCUMENT' window_class='Chrome_RenderWidgetHostHWND' ia2_hypertext='<obj0>'
++++IA2_ROLE_INTERNAL_FRAME name='Empty iframe' parent='ROLE_SYSTEM_GROUPING' window_class='Chrome_RenderWidgetHostHWND' ia2_hypertext='<obj0>'
++++++ROLE_SYSTEM_DOCUMENT parent='ROLE_SYSTEM_DOCUMENT' window_class='Chrome_RenderWidgetHostHWND' READONLY FOCUSABLE