SplitLayout:Default Split Layout

Build 124 on layouts-first-core-move
1200px
Reviewing disabled
The baseline is taller than the new snapshot (1025x486 to 1025x471).
Baseline History
Build 124e29c3dd
Current build. There are unaccepted changes, so build 16 is still the baseline.
Build 16035ab45 current baseline
Accepted by Zhihao Cui.
Build 1cf98200
Auto-accepted
Commenting is disabled because there's a newer build on this branch