QA:Backwards Compat Grid

Build 671 on content-status-add-typography
1200px
Reviewing disabled
The baseline is taller than the new snapshot (1032x718 to 1032x712).
Baseline History
Build 6713bb0846
Current build. There are unaccepted changes, so build 663 is still the baseline.
Build 659718b5c4
Accepted by heswell.
Build 646bbe3179
Accepted by Zhihao Cui.
Build 6435321e18
Accepted by Zhihao Cui.
Commenting is disabled because there's a newer build on this branch