Codebase Browser
chromium
Go to App

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

WebView focusable focused actions:[CLEAR_FOCUS, AX_FOCUS] bundle:[chromeRole="rootWebArea"]
++View actions:[AX_FOCUS] bundle:[chromeRole="sectionWithoutName"]
++++Button text:"Submit" clickable focusable actions:[FOCUS, CLICK, AX_FOCUS, NEXT, PREVIOUS] bundle:[chromeRole="button", clickableScore="300", roleDescription="button"]
++View text:"Name" actions:[AX_FOCUS, NEXT, PREVIOUS] bundle:[chromeRole="form"]
++++Button text:"Submit" clickable focusable actions:[FOCUS, CLICK, AX_FOCUS, NEXT, PREVIOUS] bundle:[chromeRole="button", clickableScore="300", roleDescription="button"]