The following layout test is failing on chromium Mac10.6(dbg) and Mac10.8.
Failure on 10.6 looks temporal, but it continues to fail on 10.8.
Result images are different a bit. It cannot be rebaselined because it is Reftests.
It starts to fail between r143179 and r143291.
The test is intoroduced at r143256
Update TestExpectations at r143315
morrita@, could you assign proper person to this issue?