Fix abstract method in options class (#8389)

Co-authored-by: David Burns <david.burns@theautomatedtester.co.uk>
Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/SeleniumHQ/selenium
Cr-Mirrored-Commit: 90e3cc5d56ffd7eb272348ebaec359452d2d13e8
1 file changed