This change is needed to add also memory usage report in WebInspector(memory timeline)
<rdar://problem/107826522>
Pull request: https://github.com/WebKit/WebKit/pull/14286
Committed 266424@main (3ed63da0ea8d): <https://commits.webkit.org/266424@main> Reviewed commits have been landed. Closing PR #14286 and removing active labels.