Update Chrome version for Document's readystatechange event (#13793)
Update Chrome version for Document's readystatechange event (#13793)

It was implemented at the same time as the onreadystatechange event
handler property in WebKit:
https://trac.webkit.org/changeset/69710/webkit
https://trac.webkit.org/browser/webkit/trunk/WebCore/Configurations/Version.xcconfig?rev=69710

The Chrome 9 data for onreadystatechange looks reliable:
https://github.com/mdn/browser-compat-data/pull/6836
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data