Steps to reproduce:
1) Collect HEAP profile
2) Drag retainers table title up to reduce main table size.
3) Scroll main table
4) Drag retainers table title down to increase main table size.
Result: main table items remain unrendered until scroll.
Created attachment 196104 [details]
Comment on attachment 196104 [details]
Clearing flags on attachment: 196104
Committed r147412: <http://trac.webkit.org/changeset/147412>
All reviewed patches have been landed. Closing bug.