PROBLEM
Where is synch booton in chrome

SOLUTIONS
- Go to Set­tings > Extensions
— Click to check Devel­op­er mode
— Click the Update exten­sions now button.
At this point, a sync occurs imme­di­ate­ly for exten­sions, book­marks and all

You may then check type to address bar
chrome://sync/
it should by “Just now”.

SORUCE :