In order to transfer ImageBuffers between threads in the WebProcess, we need a way to ask the GPUP to transfer the Remote buffer to the right WorkQueue/ResourceCache.
<rdar://problem/103232081>
Pull request: https://github.com/WebKit/WebKit/pull/7461
Committed 257769@main (08a58d6e9925): <https://commits.webkit.org/257769@main> Reviewed commits have been landed. Closing PR #7461 and removing active labels.