We should log why cached resources are being revalidated using FeatureCounter API. Radar: <rdar://problem/19288177>
Created attachment 243479 [details] Patch
Comment on attachment 243479 [details] Patch Clearing flags on attachment: 243479 Committed r177499: <http://trac.webkit.org/changeset/177499>
All reviewed patches have been landed. Closing bug.