liyuqian e581435d28
Reland: Skip painting hidden children of a sliver list (#18539)
* Revert "manual rollback of of 18530 (#18531)"

This reverts commit 3f79f8cba5425e964f05fc79331dc5ff4b82c22f.

* Fix the offset calculation

* Add a unit test
2018-06-21 16:46:08 -07:00
..