Codebase Browser
chromium
Go to App

chromium/content/test/data/accessibility/html/input-checkbox-expected-uia-win.txt 

Document
++Group IsControlElement=false
++++CheckBox Name='Checkbox0' Toggle.ToggleState='Off'
++++CheckBox Name='Checkbox1' Toggle.ToggleState='On'
++++CheckBox Name='Checkbox2' Toggle.ToggleState='Off'
++++CheckBox Name='Checkbox3' Toggle.ToggleState='Off'
++++CheckBox Name='Checkbox4' Toggle.ToggleState='Indeterminate'