The UIProcess should listen to memory pressure signals in order to free memory, similarly to what we already do on iOS.
Created attachment 351303 [details] Patch
Comment on attachment 351303 [details] Patch Clearing flags on attachment: 351303 Committed r236700: <https://trac.webkit.org/changeset/236700>
All reviewed patches have been landed. Closing bug.
<rdar://problem/44925829>