This class will be responsible for smart pointer support and RenderingResourceIdentifier and observers' management.
Created attachment 418338 [details] Patch
Created attachment 418356 [details] Patch
Created attachment 418357 [details] Patch
<rdar://problem/73843739>
Pull request: https://github.com/WebKit/WebKit/pull/1644
Committed 262021@main (11e07c42d4bf): <https://commits.webkit.org/262021@main> Reviewed commits have been landed. Closing PR #1644 and removing active labels.