We don't allow page caching while under system memory pressure, so we don't need the code in FrameLoader that tries to preemptively evict cached pages before committing a new load.
Created attachment 296391 [details] Patch
Comment on attachment 296391 [details] Patch Clearing flags on attachment: 296391 Committed r209456: <http://trac.webkit.org/changeset/209456>
All reviewed patches have been landed. Closing bug.