Add/update Opera data for Window API (#6837)
Add/update Opera data for Window API (#6837)

This commit updates the Opera (Presto) data for the Window API based
upon manual testing to achieve more real data for the Window API. Some
data is mirrored from Chrome.

Tests used: https://mdn-bcd-collector.appspot.com/tests/api/Window
chrisdavidmills/browser-compat-data,mdn/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data