We currently evict ALL resources from the memory cache in MemoryPressureHandler::releaseCriticalMemory() but we could even start with evicting dead resources in MemoryPressureHandler::releaseNoncriticalMemory().
Created attachment 246764 [details] Patch
Created attachment 246776 [details] Patch
Created attachment 246779 [details] Patch
Comment on attachment 246779 [details] Patch r=me
Comment on attachment 246779 [details] Patch Clearing flags on attachment: 246779 Committed r180276: <http://trac.webkit.org/changeset/180276>
All reviewed patches have been landed. Closing bug.