ComboBox:With Placeholder

Build 844 on fix-typography-letter-spacing
1200px
Reviewing disabled
Baseline History
Build 8441919ece
Current build. There are unaccepted changes, so build 836 is still the baseline.
Build 6253e3292e
Accepted by Andrey Yamanov.
Build 59135f6274
Auto-accepted
Build 441c09370a
Auto-accepted
Commenting is disabled because there's a newer build on this branch