Add data for 2d canvas willReadFrequently parameter (#17473)
Add data for 2d canvas willReadFrequently parameter (#17473)

Support in Firefox 28 and Chrome 99, and lack of support in Safari, was
confirmed with this test:
https://software.hixie.ch/utilities/js/live-dom-viewer/?saved=10586

Additional evidence:
https://bugzilla.mozilla.org/show_bug.cgi?id=884226
https://chromestatus.com/feature/6051647656558592

A WebKit bug was filed and linked here.
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data