Chrome Version: 68.0.3416.0/10642.0.0 dev-channel Reks & Paine 
OS: Chrome

What steps will reproduce the problem?
1)Sign in to user (Ex: 'A' account)-> Enable Play store -> after play store is synced click on 'Sign out' at Uber Tray ->Now sign in to another user (Ex: 'B' account) Enable Play store 
(2)After play store is synced, go to Uber tray ->click on user I'd and select 'Sign in to another user...' option for Multiple sign-in (Now enter password for 'A' account)
(3)Now observe  'Play store' is not available for both 'A' account and  'B' Account 
(Please refer Video)

Expected:  'Play store' should be available for primary user(here it is 'B' Account) in Multi user mode
Actual: Instead 'Play store' is not available for both users

This is Regression Issue seen as same is working fine in M-67

@kheml: Please confirm the Issue
 

Deleted: Actual_NoPlayStoreForBothUsers.mp4 19.2 MB

Actual_NoPlayStoreForBothUsers.mp4 19.2 MB Download