There are a lot of separate implementation "is this element visible" helper functions. We should merge them into a single helper function.

See:
[1] https://cs.chromium.org/chromium/src/chrome/test/data/webui/settings/device_page_tests.js?l=1168
[2] https://cs.chromium.org/chromium/src/chrome/test/data/webui/settings/fingerprint_browsertest_chromeos.js?l=127
[3] https://cs.chromium.org/chromium/src/chrome/test/data/webui/settings/quick_unlock_authenticate_browsertest_chromeos.js?l=15
[4] https://cs.chromium.org/chromium/src/chrome/test/data/webui/extensions/extension_test_util.js?l=160
[5] https://cs.chromium.org/chromium/src/chrome/test/data/webui/settings/people_page_test.js
[6] https://cs.chromium.org/chromium/src/chrome/test/data/webui/settings/sync_account_control_test.js

Possibly more
 

There are a lot of separate implementation "is this element visible" helper functions. We should merge them into a single helper function.

See:
[1] https://cs.chromium.org/chromium/src/chrome/test/data/webui/settings/device_page_tests.js?l=1168
[2] https://cs.chromium.org/chromium/src/chrome/test/data/webui/settings/fingerprint_browsertest_chromeos.js?l=127
[3] https://cs.chromium.org/chromium/src/chrome/test/data/webui/settings/quick_unlock_authenticate_browsertest_chromeos.js?l=15
[4] https://cs.chromium.org/chromium/src/chrome/test/data/webui/extensions/extension_test_util.js?l=160
[5] https://cs.chromium.org/chromium/src/chrome/test/data/webui/settings/test_util.js

Possibly more