QA:Lots Of Tabs Tabstrip

Build 9439 on add-keyboard-controls
1200px
Reviewing disabled
Baseline History
Build 9439dcb4305
Current build. There are unaccepted changes, so build 9392 is still the baseline.
Build 938505c77e7
Auto-accepted
Build 93714403f35
Accepted by Zarko Pernar.
Build 9202e0a1637
Accepted by Josh Wooding.
Commenting is disabled because there's a newer build on this branch