Switch QA:All Examples Grid

Build 14739 on fix-box-sizing
1200px
Reviewing disabled
Baseline History
Build 147395ae74b9
Current build. There are unaccepted changes, so build 12975 is still the baseline.
Build 129306c0c240
Accepted by Zhihao Cui.
Build 128685e222ab
Accepted by Zhihao Cui.
Commenting is disabled because there's a newer build on this branch