[WebGPU] MTLResource allocations should be attributed to the respective web process
<rdar://problem/107001772>
Pull request: https://github.com/WebKit/WebKit/pull/11787
Committed 276332@main (d9844889d42d): <https://commits.webkit.org/276332@main> Reviewed commits have been landed. Closing PR #11787 and removing active labels.
Need to fixup a bad merge
Pull request: https://github.com/WebKit/WebKit/pull/26204
Committed 276425@main (ffbd3982c707): <https://commits.webkit.org/276425@main> Reviewed commits have been landed. Closing PR #26204 and removing active labels.