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chromium/content/test/data/accessibility/aria/aria-checked-expected-android-external.txt 

WebView focusable focused actions:[CLEAR_FOCUS, AX_FOCUS] bundle:[chromeRole="rootWebArea"]
++CheckBox checkable checked clickable focusable actions:[FOCUS, CLICK, AX_FOCUS] bundle:[chromeRole="checkBox", roleDescription="checkbox"]
++CheckBox checkable clickable focusable actions:[FOCUS, CLICK, AX_FOCUS] bundle:[chromeRole="checkBox", roleDescription="checkbox"]
++CheckBox stateDescription:"Partially Checked" clickable focusable actions:[FOCUS, CLICK, AX_FOCUS] bundle:[chromeRole="checkBox", roleDescription="checkbox"]