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chromium/content/test/data/accessibility/html/iframe-transform-expected-android-external.txt 

WebView focusable focused actions:[CLEAR_FOCUS, AX_FOCUS] bundle:[chromeRole="rootWebArea"]
++View actions:[AX_FOCUS] bundle:[chromeRole="iframe"]
++++View actions:[AX_FOCUS] bundle:[chromeRole="rootWebArea", hasImage="true"]
++++++Image actions:[AX_FOCUS] bundle:[chromeRole="image", hasImage="true", roleDescription="graphic"]
++View actions:[AX_FOCUS] bundle:[chromeRole="iframe"]
++++View actions:[AX_FOCUS] bundle:[chromeRole="rootWebArea", hasImage="true"]
++++++Image actions:[AX_FOCUS] bundle:[chromeRole="image", hasImage="true", roleDescription="graphic"]