Currently, VP9 decoders are registered when a Web page is created in the WebContent process. Instead, VP9 decoders can be registered when PlatformMediaSessionManager is created, which should be a slight performance improvement, since calls into media frameworks will then not be made unconditionally when creating a Web page, but delayed until required.
Created attachment 421651 [details]
Comment on attachment 421651 [details]
Thanks for reviewing!
Committed r273564: <https://commits.webkit.org/r273564>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 421651 [details].