Drop DependentProcessLink ProcessAssertion since it creates a process assertion cycle between the UIProcess and the WebContent process and leads to power leaks.
<rdar://problem/62408828>
Created attachment 401052 [details] Patch
Tools/Scripts/svn-apply failed to apply attachment 401052 [details] to trunk. Please resolve the conflicts and upload a new patch.
Created attachment 401068 [details] Patch
Committed r262566: <https://trac.webkit.org/changeset/262566> All reviewed patches have been landed. Closing bug and clearing flags on attachment 401068 [details].