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chromium/content/test/data/accessibility/html/heading-expected-android.txt 

android.webkit.WebView focusable focused
++android.widget.TextView role_description='heading 1' heading name='Heading 1'
++android.widget.TextView role_description='heading 2' heading name='Heading 2'
++android.widget.TextView role_description='heading 3' heading name='Heading 3'
++android.widget.TextView role_description='heading 4' heading name='Heading 4'
++android.widget.TextView role_description='heading 5' heading name='Heading 5'
++android.widget.TextView role_description='heading 6' heading name='Heading 6'